:root {
    --primary: #0f4c81;
    --secondary: #00a6a6;
    --dark: #0b1220;
    --text: #1f2937;
    --muted: #6b7280;
    --light: #f8fafc;
    --white: #ffffff;
    --border: #e5e7eb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--light);
}

.container {
    width: min(1120px, 92%);
    margin: auto;
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, .95);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}

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

.brand {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

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

.menu {
    display: flex;
    gap: 24px;
}

.menu a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.menu-toggle {
    display: none;
    font-size: 28px;
    background: none;
    border: none;
}

.hero {
    padding: 90px 0;
    background: linear-gradient(135deg, #eef7ff, #ffffff);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 50px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: #dff7f7;
    color: #087878;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 700;
    margin-bottom: 18px;
}

h1 {
    font-size: clamp(38px, 6vw, 62px);
    line-height: 1.05;
    margin: 0 0 20px;
    color: var(--dark);
}

h2 {
    font-size: clamp(30px, 4vw, 44px);
    margin: 0 0 28px;
    color: var(--dark);
}

p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 22px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 800;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.hero-card {
    background: var(--white);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 24px 60px rgba(15, 76, 129, .16);
}

.status-dot {
    width: 14px;
    height: 14px;
    background: #10b981;
    border-radius: 50%;
    margin-bottom: 15px;
}

.hero-card ul {
    padding-left: 20px;
    line-height: 2;
}

.section {
    padding: 80px 0;
    background: var(--white);
}

.section.soft {
    background: #f1f7fb;
}

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

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 26px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .04);
}

.card h3 {
    margin-top: 0;
    color: var(--primary);
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.type-grid span {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 14px;
    font-weight: 700;
}

.api-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: center;
}

pre {
    background: #0b1220;
    color: #d1fae5;
    padding: 26px;
    border-radius: 20px;
    overflow-x: auto;
}

.price-card strong {
    display: block;
    font-size: 32px;
    color: var(--dark);
    margin: 16px 0;
}

.featured {
    border: 2px solid var(--secondary);
    transform: translateY(-8px);
}

.note {
    margin-top: 20px;
    font-size: 14px;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    background: var(--white);
}

.faq-question {
    width: 100%;
    padding: 18px;
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 17px;
    font-weight: 800;
    cursor: pointer;
}

.faq-answer {
    display: none;
    padding: 0 18px 18px;
    color: var(--muted);
}

.faq-item.active .faq-answer {
    display: block;
}

.contact {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    text-align: center;
}

.contact h2,
.contact p {
    color: var(--white);
}

.contact-box {
    max-width: 760px;
}

.footer {
    background: var(--dark);
    padding: 26px 0;
    text-align: center;
}

.footer p {
    color: #cbd5e1;
    margin: 0;
}

@media (max-width: 850px) {
    .menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border);
    }

    .menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero-grid,
    .api-box,
    .cards {
        grid-template-columns: 1fr;
    }

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

    .featured {
        transform: none;
    }
}

.hero-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.hero-checks span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    box-shadow: 0 8px 24px rgba(15, 76, 129, .06);
}

.hero-checks i {
    color: var(--secondary);
}

.mini-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 22px;
}

.mini-stats div {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
}

.mini-stats strong {
    display: block;
    color: var(--primary);
    font-size: 24px;
    line-height: 1;
}

.mini-stats span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.section-subtitle {
    max-width: 800px;
    margin-bottom: 40px;
    font-size: 18px;
}

.feature-icon {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 16px;
    display: inline-block;
}

.card {
    transition: all .25s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(15, 76, 129, .12);
}

.flow-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 60px;
}

.flow-card {
    background: #fff;
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: 0 15px 35px rgba(0, 0, 0, .05);
}

.featured-flow {
    border: 2px solid var(--secondary);
    transform: scale(1.03);
}

.flow-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
}

.flow-arrow {
    font-size: 36px;
    color: var(--primary);
}

.ecf-types-box {
    margin-top: 20px;
}

.ecf-types-box h3 {
    margin-bottom: 25px;
    color: var(--dark);
}

@media (max-width: 992px) {

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

    .flow-arrow {
        transform: rotate(90deg);
        text-align: center;
    }

    .featured-flow {
        transform: none;
    }
}

.api-list {
    padding-left: 20px;
    line-height: 2;
}

.api-list li {
    color: var(--text);
    font-weight: 600;
}

.plan-list {
    padding-left: 18px;
    text-align: left;
    margin: 20px 0;
}

.plan-list li {
    margin-bottom: 10px;
    color: var(--text);
}

.plan-badge {
    display: inline-block;
    background: var(--secondary);
    color: #fff;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 15px;
}

.price-card .btn {
    width: 100%;
    text-align: center;
    margin-top: 10px;
}

.docs-page {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    width: min(1180px, 92%);
    margin: auto;
    padding: 60px 0;
}

.docs-sidebar {
    position: sticky;
    top: 96px;
    align-self: start;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
}

.docs-sidebar a {
    display: block;
    padding: 10px 12px;
    color: var(--text);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
}

.docs-sidebar a:hover {
    background: #f1f7fb;
    color: var(--primary);
}

.docs-content section {
    margin-bottom: 60px;
}

.docs-content h1 {
    font-size: clamp(38px, 5vw, 58px);
}

.docs-content h2 {
    font-size: 32px;
}

@media (max-width: 900px) {
    .docs-page {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: static;
    }
}

.docs-table-wrap {
    overflow-x: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
}

.docs-table th,
.docs-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.docs-table th {
    background: #f1f7fb;
    color: var(--dark);
}

.docs-table td:first-child {
    font-weight: 800;
    color: var(--primary);
}

.docs-sidebar-title {
    padding: 12px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.docs-sidebar-title strong {
    display: block;
    color: var(--primary);
    font-size: 18px;
}

.docs-sidebar-title span {
    color: var(--muted);
    font-size: 13px;
}

.docs-sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.docs-sidebar i {
    width: 18px;
}

.docs-search {
    margin-bottom: 18px;
}

.docs-search input {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    outline: none;
    font-size: 14px;
}

.docs-search input:focus {
    border-color: var(--primary);
}

pre {
    position: relative;
}

.copy-code-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .08);
    color: #fff;
    padding: 7px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 12px;
}

.copy-code-btn:hover {
    background: rgba(255, 255, 255, .16);
}

.docs-sidebar a.active {
    background: #eef7ff;
    color: var(--primary);
    border-left: 3px solid var(--primary);
}


.docs-content h2 {
    margin-top: 60px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.docs-content h3 {
    margin-top: 30px;
    color: var(--primary);
}

.docs-content p {
    max-width: 900px;
}

.docs-content pre {
    margin-top: 20px;
    margin-bottom: 30px;
}

.docs-content section {
    scroll-margin-top: 120px;
}


.faq-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .faq-categories {
        grid-template-columns: 1fr;
    }
}


.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
    text-align: left;
}

.footer-brand {
    display: block;
    color: #fff;
    font-size: 24px;
    margin-bottom: 12px;
}

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

.footer h4 {
    color: #fff;
    margin-top: 0;
}

.footer a {
    display: block;
    color: #cbd5e1;
    text-decoration: none;
    margin-bottom: 10px;
}

.footer a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    margin-top: 30px;
    padding-top: 20px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #fff;
    padding: 14px 18px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    box-shadow: 0 16px 40px rgba(37, 211, 102, .35);
}

.whatsapp-float i {
    font-size: 22px;
}

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

@media (max-width: 600px) {
    .whatsapp-float span {
        display: none;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
        justify-content: center;
        padding: 0;
    }
}