@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #0b1120;
    --surface: #111a2e;
    --surface-light: #18243b;
    --text: #edf3ff;
    --muted: #a1aec4;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --border: #273650;
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    line-height: 1.9;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11, 17, 32, 0.94);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.nav-wrapper,
.main-nav,
.brand,
.footer-inner {
    display: flex;
    align-items: center;
}

.nav-wrapper {
    min-height: 78px;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    gap: 12px;
    font-weight: 800;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--accent);
    color: #081326;
    direction: ltr;
}

.main-nav {
    gap: 28px;
}

.main-nav a {
    color: var(--muted);
    transition: color .2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
    color: var(--text);
}

.main-nav .nav-cta,
.button-primary {
    padding: 10px 20px;
    border-radius: 12px;
    background: var(--accent);
    color: #081326;
    font-weight: 700;
}

.main-nav .nav-cta:hover,
.button-primary:hover {
    background: var(--accent-hover);
    color: #081326;
}

.menu-toggle {
    display: none;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 6px 12px;
    cursor: pointer;
}

.hero {
    padding: 100px 0 80px;
}

.hero-content {
    max-width: 780px;
}

.eyebrow {
    color: var(--accent);
    font-weight: 700;
}

.hero h1 {
    margin: 14px 0 20px;
    font-size: clamp(2rem, 5vw, 3.7rem);
    line-height: 1.5;
}

.hero p,
.section-description {
    color: var(--muted);
    font-size: 1.05rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.button-secondary {
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.section {
    padding: 64px 0;
}

.section h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-top: 0;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 28px;
}

.card {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.card h3 {
    margin-top: 0;
}

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

.form-card {
    max-width: 760px;
    margin: 40px auto;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.form-group {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
}

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

.site-footer {
    margin-top: 70px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    justify-content: space-between;
    gap: 20px;
    padding-block: 28px;
}

.footer-inner p,
.copyright {
    color: var(--muted);
    font-size: .9rem;
}

@media (max-width: 760px) {
    .menu-toggle {
        display: block;
    }

    .nav-wrapper {
        flex-wrap: wrap;
        padding-block: 12px;
    }

    .main-nav {
        display: none;
        width: 100%;
        align-items: stretch;
        flex-direction: column;
        gap: 8px;
        padding-bottom: 12px;
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: 8px 4px;
    }

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

    .hero {
        padding: 65px 0 45px;
    }

    .section {
        padding: 42px 0;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}