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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #050711;
    color: #f5f5f7;
    line-height: 1.6;
}

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: rgba(5, 7, 17, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.logo img {
    display: block;
}

.main-nav {
    display: flex;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.main-nav a {
    opacity: 0.8;
    border-bottom: 1px solid transparent;
    padding-bottom: 0.15rem;
    transition: opacity 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover {
    opacity: 1;
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-switch {
    font-size: 0.85rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    opacity: 0.85;
}

.hero {
    padding: 4rem 0 3.5rem;
    background: radial-gradient(circle at top left, #1b2b5b, #050711);
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.1rem, 3vw, 2.7rem);
    margin-bottom: 1rem;
}

.hero-text p {
    font-size: 1rem;
    max-width: 32rem;
    opacity: 0.85;
    margin-bottom: 1.5rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hero-note {
    font-size: 0.85rem;
    opacity: 0.85;
    max-width: 32rem;
}

.hero-note a {
    color: #93c5fd;
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 999px;
    font-size: 0.9rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn.primary {
    background: #2563eb;
    color: #f9fafb;
}

.btn.primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn.secondary {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.4);
}

.btn.secondary:hover {
    background: rgba(37, 99, 235, 0.2);
    transform: translateY(-1px);
}

.btn.ghost {
    border-color: rgba(255, 255, 255, 0.3);
    background: transparent;
}

.btn.ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.btn.small {
    padding: 0.45rem 0.9rem;
    font-size: 0.8rem;
}

.btn.full {
    width: 100%;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.satellite-orbit {
    position: relative;
    width: 220px;
    height: 220px;
}

.planet {
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #eff6ff, #1d4ed8);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 40px rgba(37, 99, 235, 0.7);
}

.orbit {
    position: absolute;
    border-radius: 999px;
    border: 1px dashed rgba(148, 163, 184, 0.6);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.orbit-1 {
    width: 150px;
    height: 150px;
}

.orbit-2 {
    width: 200px;
    height: 200px;
}

.satellite-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.7);
    top: 10%;
    right: 18%;
}

.section {
    padding: 3.5rem 0;
}

.section-alt {
    background: radial-gradient(circle at top right, #020617, #020617);
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.section h2 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.section-intro {
    opacity: 0.85;
    max-width: 40rem;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
}

.card {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1rem;
    padding: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.card h3 {
    font-size: 1.05rem;
}

.card p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.card-link {
    font-size: 0.85rem;
    margin-top: auto;
    opacity: 0.95;
    color: #93c5fd;
}

.card-link:hover {
    text-decoration: underline;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.info-list ul {
    list-style: none;
    display: grid;
    gap: 0.4rem;
    font-size: 0.9rem;
}

.info-list h3 {
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.partners-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1.75rem;
}

.partner-badge {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    font-size: 0.85rem;
    background: rgba(15, 23, 42, 0.9);
}

.partners-extra {
    margin-top: 0.75rem;
}

.contact-list {
    list-style: none;
    display: grid;
    gap: 0.4rem;
    font-size: 0.9rem;
}

.contact-form {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 1rem;
    padding: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
}

.form-row label {
    font-size: 0.85rem;
    opacity: 0.9;
}

input,
select,
textarea {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 0.5rem;
    border: 1px solid rgba(148, 163, 184, 0.6);
    padding: 0.5rem 0.6rem;
    color: #e5e7eb;
    font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.4);
}

textarea {
    resize: vertical;
}

.form-note {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.35rem;
}

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    padding: 1.25rem 0 1.5rem;
    background: #020617;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.8rem;
    opacity: 0.8;
}

.footer-secondary {
    font-size: 0.75rem;
    opacity: 0.7;
}

.footer-secondary a {
    color: #93c5fd;
}

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-visual {
        margin-top: 1.5rem;
    }

    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-column {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .cards-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 3.25rem;
    }
}