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

:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #22c55e;
    --accent-dark: #16a34a;
    --background: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Tahoma, Arial, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.7;
}

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

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

.container {
    width: min(1180px, 92%);
    margin-inline: auto;
}


/* Header */

.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: var(--primary);
    color: #ffffff;
    font-size: 18px;
    font-weight: 800;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    font-size: 19px;
}

.brand-text span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 25px;
    font-size: 14px;
    font-weight: 600;
}

.main-nav a {
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--accent-dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-btn {
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    font-size: 13px;
}

.login-btn {
    padding: 10px 17px;
    border-radius: 10px;
    background: var(--primary);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
}


/* Hero */

.hero {
    min-height: 500px;
    display: flex;
    align-items: center;
    padding: 90px 0;
    background:
        radial-gradient(
            circle at 10% 10%,
            rgba(34, 197, 94, 0.12),
            transparent 30%
        ),
        linear-gradient(
            135deg,
            #ffffff 0%,
            #f1f5f9 100%
        );
}

.hero-badge {
    display: inline-flex;
    padding: 7px 13px;
    margin-bottom: 20px;
    border-radius: 999px;
    background: #dcfce7;
    color: #166534;
    font-size: 13px;
    font-weight: 700;
}

.hero h1 {
    max-width: 800px;
    margin-bottom: 20px;
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.2;
}

.hero p {
    max-width: 700px;
    color: var(--muted);
    font-size: 18px;
}


/* Responsive */

@media (max-width: 950px) {

    .main-nav {
        display: none;
    }

}

@media (max-width: 600px) {

    .header-inner {
        min-height: 68px;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
    }

    .brand-text strong {
        font-size: 17px;
    }

    .login-btn {
        display: none;
    }

    .hero {
        min-height: 420px;
        padding: 65px 0;
    }

    .hero p {
        font-size: 15px;
    }

}