:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --border: rgba(15, 23, 42, 0.10);
    --primary: #0f4c5c;
    --primary2: #1f6f8b;
    --shadow: 0 10px 30px rgba(2, 6, 23, 0.10);
    --radius: 16px;
    --container: 1100px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background:
        radial-gradient(1200px 600px at 20% 0%, rgba(31, 111, 139, 0.10), transparent 60%),
        radial-gradient(900px 500px at 90% 10%, rgba(15, 76, 92, 0.10), transparent 55%),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px); 
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 220px;
}

.brand img {
    width: 220px;
    max-width: 260px;
    height: auto;
    display: block;
}

/* Desktop boost */
@media (min-width: 1024px) {
   .brand img {
        width: 280px;
    }
}
.site-nav {
    position: relative;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    display: inline-block;
    padding: 10px 10px;
    border-radius: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 14px;
}

.nav-links a:hover {
    background: rgba(15, 76, 92, 0.08);
    text-decoration: none;
}

.nav-links a.active {
    background: rgba(15, 76, 92, 0.12);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: #fff !important;
    padding: 10px 14px !important;
    box-shadow: 0 8px 18px rgba(15, 76, 92, 0.22);
}

.nav-cta:hover {
    filter: brightness(1.03);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 8px 18px rgba(2, 6, 23, 0.06);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    margin: 5px auto;
    border-radius: 4px;
}

/* Hero */
.hero {
    padding: 34px 0 0;
}

.hero-card {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(15, 76, 92, 0.93), rgba(31, 111, 139, 0.80)),
        radial-gradient(700px 350px at 20% 30%, rgba(255, 255, 255, 0.18), transparent 60%),
        radial-gradient(900px 500px at 90% 60%, rgba(255, 255, 255, 0.10), transparent 55%);
    color: #fff;
    padding: 46px;
}

.hero h1 {
    margin: 0 0 10px;
    font-size: clamp(28px, 3vw, 46px);
    line-height: 1.15;
}

.hero p {
    margin: 0;
    max-width: 70ch;
    color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 800;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    text-decoration: none;
}

.btn.primary {
    background: rgba(255, 255, 255, 0.14);
}

.btn.secondary {
    background: rgba(2, 6, 23, 0.18);
}

/* Sections */
.section {
    padding: 22px 0;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06);
    padding: 22px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

h2 {
    margin: 0 0 10px;
}

h3 {
    margin: 0 0 8px;
}

.small {
    color: var(--muted);
    font-size: 14px;
}

/* Page header */
.page-header {
    padding: 26px 0 0;
}

.page-header .card {
    background:
        linear-gradient(135deg, rgba(15, 76, 92, 0.10), rgba(31, 111, 139, 0.08)),
        var(--surface);
}

/* Form */
form {
    display: grid;
    gap: 12px;
}

label {
    font-weight: 800;
    font-size: 13px;
    color: var(--muted);
}

input,
textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    font: inherit;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

/*contact form */
.contact-details p {
    margin: 10px 0;
    font-size: 15px;
}

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

.contact-details a:hover {
    text-decoration: underline;
}

button {
    padding: 12px 16px;
    border-radius: 12px;
    border: 0;
    cursor: pointer;
    color: #fff;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    box-shadow: 0 10px 22px rgba(15, 76, 92, 0.22);
}

.form-success {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgba(20, 140, 120, 0.12);
    color: #0f5c52;
    font-size: 14px;
    border: 1px solid rgba(20, 140, 120, 0.25);
}

/* Footer */
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}

.footer-contact p {
    margin: 4px 0;
    font-size: 14px;
}

.footer-contact a {
    font-weight: 600;
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

/*doc-list */
.doc-list {
    margin-top: 14px;
    padding-left: 18px;
}

.doc-list li {
    margin: 10px 0;
}

.doc-list a {
    font-weight: 600;
    text-decoration: none;
}

.doc-list a:hover {
    text-decoration: underline;
}

/* Responsive nav */
@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr !important;
    }
.side-header .brand-name{
    font-size: 18px;
}
.side-header .brand-tag{
    font-size: 12px;
}
    .hero-card {
        padding: 26px;
    }

    .nav-toggle {
        display: inline-block;
    }

    .nav-links {
        display: none;
        position: absolute;
        right: 0;
        top: 54px;
        flex-direction: column;
        align-items: stretch;
        width: 230px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 10px;
        box-shadow: var(--shadow);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 10px 12px;
    }
}