:root {
    --bg: #f6f8fc;
    --card: #ffffff;
    --dark: #0b1220;
    --text: #111827;
    --muted: #64748b;
    --line: #e5e7eb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --soft-blue: #eff6ff;
    --green: #16a34a;
    --amber: #d97706;
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 34%),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.12), transparent 32%),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

.navbar {
    width: calc(100% - 32px);
    max-width: 1180px;
    margin: 16px auto 0;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 22px;
    position: sticky;
    top: 16px;
    z-index: 50;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}

.logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.6px;
    color: var(--dark);
}

.logo::after {
    content: ".";
    color: var(--primary);
}

nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

nav a {
    font-size: 15px;
    color: #475569;
    font-weight: 700;
}

nav a:hover {
    color: var(--primary);
}

.nav-btn {
    background: var(--dark);
    color: #ffffff;
    padding: 11px 18px;
    border-radius: 14px;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
}

.nav-btn:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.hero {
    max-width: 1180px;
    margin: 0 auto;
    padding: 110px 16px 90px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 58px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 246, 255, 0.95);
    color: var(--primary-dark);
    border: 1px solid #bfdbfe;
    padding: 9px 15px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 22px;
}

.badge::before {
    content: "●";
    font-size: 10px;
}

.hero h1 {
    max-width: 680px;
    font-size: clamp(44px, 6vw, 72px);
    line-height: 0.98;
    letter-spacing: -3px;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero p {
    font-size: 19px;
    color: var(--muted);
    max-width: 620px;
    margin-bottom: 34px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 22px;
    border-radius: 16px;
    font-weight: 800;
    transition: 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 42px rgba(37, 99, 235, 0.34);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark);
    border: 1px solid #dbe2ea;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.07);
}

.btn-secondary:hover {
    transform: translateY(-3px);
}

.hero-card {
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 34px;
    padding: 28px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 120px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.06));
    pointer-events: none;
}

.card-header,
.order-item {
    position: relative;
}

.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 26px;
    font-weight: 900;
    color: var(--dark);
}

.card-header strong {
    color: var(--green);
    background: #dcfce7;
    padding: 6px 11px;
    border-radius: 999px;
    font-size: 13px;
}

.order-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    border-radius: 20px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid #eef2f7;
    margin-bottom: 14px;
}

.order-item:hover {
    transform: translateY(-2px);
    transition: 0.2s ease;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.order-item h4 {
    font-size: 16px;
    color: var(--dark);
}

.order-item p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}

.paid,
.pending {
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 900;
}

.paid {
    background: #dcfce7;
    color: #166534;
}

.pending {
    background: #fef3c7;
    color: #92400e;
}

.problem,
.features,
.how,
.use-cases,
.pricing,
.cta {
    padding: 90px 16px;
}

.problem,
.how,
.pricing {
    background: rgba(255, 255, 255, 0.72);
    border-top: 1px solid rgba(226, 232, 240, 0.85);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.problem h2,
.section-title h2,
.use-cases h2,
.pricing h2,
.cta h2 {
    max-width: 850px;
    margin: 0 auto 16px;
    text-align: center;
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.08;
    letter-spacing: -1.8px;
    color: var(--dark);
}

.problem p,
.section-title p,
.pricing p,
.cta p {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    color: var(--muted);
    font-size: 18px;
}

.section-title {
    margin-bottom: 46px;
}

.features,
.how,
.use-cases,
.pricing,
.cta {
    position: relative;
}

.feature-grid,
.steps {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature-card,
.step,
.pricing-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 14px 44px rgba(15, 23, 42, 0.06);
    transition: 0.2s ease;
}

.feature-card:hover,
.step:hover,
.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.1);
}

.feature-card h3,
.step h3 {
    font-size: 21px;
    margin-bottom: 10px;
    letter-spacing: -0.4px;
    color: var(--dark);
}

.feature-card p,
.step p {
    color: var(--muted);
}

.step span {
    display: inline-flex;
    font-size: 14px;
    font-weight: 900;
    color: var(--primary-dark);
    background: var(--soft-blue);
    border: 1px solid #bfdbfe;
    padding: 8px 13px;
    border-radius: 999px;
    margin-bottom: 18px;
}

.use-cases {
    text-align: center;
}

.use-grid {
    max-width: 900px;
    margin: 32px auto 0;
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.use-grid span {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.95);
    padding: 13px 19px;
    border-radius: 999px;
    font-weight: 800;
    color: #334155;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

.pricing {
    text-align: center;
}

.pricing-card {
    max-width: 450px;
    margin: 38px auto 0;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: "Recommended";
    position: absolute;
    top: 22px;
    right: 22px;
    background: #ecfdf5;
    color: #047857;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
}

.pricing-card h3 {
    font-size: 26px;
    margin-bottom: 8px;
    color: var(--dark);
}

.price {
    font-size: 22px !important;
    color: var(--primary-dark) !important;
    font-weight: 900;
    margin: 0 0 22px !important;
    text-align: left !important;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 26px;
}

.pricing-card li {
    padding: 11px 0;
    color: #475569;
    border-bottom: 1px solid #eef2f7;
}

.pricing-card li::before {
    content: "✓";
    color: var(--green);
    font-weight: 900;
    margin-right: 10px;
}

.cta {
    text-align: center;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.36), transparent 30%),
        linear-gradient(135deg, #020617, #0f172a);
    color: #ffffff;
}

.cta h2 {
    color: #ffffff;
}

.cta p {
    color: #cbd5e1;
    margin-bottom: 30px;
}

.cta .btn-primary {
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 18px 40px rgba(255, 255, 255, 0.12);
}

footer {
    text-align: center;
    padding: 30px 16px;
    background: #020617;
    color: #94a3b8;
}

@media (max-width: 900px) {
    .navbar {
        width: calc(100% - 24px);
        top: 12px;
    }

    nav {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 72px 16px 70px;
        gap: 34px;
    }

    .hero h1 {
        letter-spacing: -2px;
    }

    .hero-card {
        border-radius: 28px;
    }

    .feature-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .problem,
    .features,
    .how,
    .use-cases,
    .pricing,
    .cta {
        padding: 70px 16px;
    }
}

@media (max-width: 520px) {
    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .order-item {
        align-items: flex-start;
        gap: 12px;
    }

    .pricing-card::before {
        position: static;
        display: inline-block;
        margin-bottom: 18px;
    }
}