* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: #182235;
    background: #ffffff;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e4e9ef;
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: 800;
}

.logo span {
    color: #1877f2;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    text-decoration: none;
    color: #344054;
    font-weight: 600;
}

nav a:hover {
    color: #1877f2;
}

.hero {
    padding: 90px 0;
    background:
        linear-gradient(
            135deg,
            #f6f9ff 0%,
            #ffffff 55%,
            #edf5ff 100%
        );
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 70px;
    align-items: center;
}

.eyebrow {
    font-size: 13px;
    font-weight: 800;
    color: #1877f2;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

h1 {
    font-size: clamp(42px, 6vw, 67px);
    line-height: 1.03;
    margin: 0 0 25px;
    color: #101828;
}

h1 span {
    color: #1877f2;
}

.hero-text {
    font-size: 20px;
    line-height: 1.65;
    color: #566276;
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    color: white;
    background: #1877f2;
}

.btn-primary:hover {
    background: #0d66d5;
}

.btn-secondary {
    color: #182235;
    background: white;
    border: 1px solid #cfd8e4;
}

.tracker-preview {
    background: white;
    border: 1px solid #dce4ed;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 24px 60px rgba(24, 39, 75, 0.13);
}

.preview-title {
    font-size: 25px;
    font-weight: 800;
    margin-bottom: 8px;
}

.preview-status {
    color: #667085;
    font-size: 14px;
    margin-bottom: 20px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th,
td {
    padding: 12px;
    border: 1px solid #d5dde7;
    text-align: left;
}

th {
    background: #f5f7fa;
}

.ad-name {
    font-weight: 800;
    color: #1877f2;
}

.comparison,
.how,
.features,
.download {
    padding: 85px 0;
}

.comparison {
    background: #101828;
    color: white;
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px;
}

.section-heading h2 {
    font-size: 38px;
    margin: 0 0 15px;
}

.section-heading p {
    color: #98a2b3;
    font-size: 18px;
    line-height: 1.6;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 70px 1fr;
    align-items: center;
    max-width: 900px;
    margin: auto;
}

.compare-card {
    min-height: 210px;
    border-radius: 14px;
    padding: 30px;
}

.muted-card {
    background: #1d2939;
}

.tracker-card {
    background: #1877f2;
}

.card-label {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.2px;
    opacity: 0.75;
}

.compare-card h3 {
    font-size: 30px;
    margin: 22px 0 12px;
}

.compare-card p {
    line-height: 1.6;
    margin: 0;
}

.compare-arrow {
    font-size: 38px;
    text-align: center;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.step {
    border: 1px solid #e0e6ee;
    border-radius: 12px;
    padding: 26px;
    background: white;
}

.step span {
    display: flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #1877f2;
    color: white;
    font-weight: 800;
}

.step h3 {
    margin: 20px 0 10px;
}

.step p {
    color: #667085;
    line-height: 1.6;
}

.features {
    background: #f7f9fc;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature {
    background: white;
    padding: 28px;
    border-radius: 12px;
    border: 1px solid #e2e7ee;
}

.feature h3 {
    margin-top: 0;
}

.feature p {
    color: #667085;
    line-height: 1.6;
}

.download-box {
    padding: 55px;
    border-radius: 18px;
    background: #101828;
    color: white;
    text-align: center;
}

.download-box h2 {
    font-size: 40px;
    margin: 0 0 15px;
}

.download-box p {
    max-width: 700px;
    margin: 0 auto 30px;
    color: #cbd5e1;
    font-size: 18px;
    line-height: 1.6;
}

footer {
    border-top: 1px solid #e5e7eb;
    padding: 28px 0;
    color: #667085;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
}

@media (max-width: 850px) {

    nav {
        display: none;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 45px;
    }

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

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

    .compare-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 560px) {

    .container {
        width: min(100% - 26px, 1120px);
    }

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

    h1 {
        font-size: 42px;
    }

    .section-heading h2 {
        font-size: 31px;
    }

    .download-box {
        padding: 38px 22px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

.setup-service {
    padding: 85px 0;
    background: #ffffff;
}

.setup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.setup-card {
    border: 1px solid #dfe5ec;
    border-radius: 14px;
    padding: 32px;
    background: #ffffff;
}

.setup-card.featured {
    border: 2px solid #1877f2;
    box-shadow: 0 15px 40px rgba(24, 119, 242, 0.12);
}

.setup-card h3 {
    margin-top: 0;
    font-size: 26px;
}

.setup-card p {
    color: #667085;
    line-height: 1.6;
}

.setup-card ul {
    padding-left: 22px;
    line-height: 1.9;
    color: #344054;
}

.setup-note {
    max-width: 900px;
    margin: 30px auto 0;
    padding: 20px 24px;
    border-radius: 10px;
    background: #f3f7ff;
    line-height: 1.6;
}

@media (max-width: 700px) {

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

}