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

html, body {
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    color: #e8f4ff;
    overflow-x: hidden;
}

body {
    background:
        linear-gradient(rgba(0, 20, 40, 0.55), rgba(0, 20, 40, 0.75)),
        url('https://images.unsplash.com/photo-1593083544330-1e2d16b9e7da?auto=format&fit=crop&w=1920&q=80')
        center/cover no-repeat fixed;
    background-color: #001428;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 30%, transparent 0%, rgba(0, 10, 25, 0.6) 100%);
    pointer-events: none;
    z-index: 1;
}

header {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 50px;
    font-size: 14px;
    letter-spacing: 2px;
}

.logo {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 4px;
}

.logo span {
    color: #5fc8ff;
    margin: 0 4px;
}

.status {
    padding: 6px 14px;
    border: 1px solid rgba(95, 200, 255, 0.5);
    border-radius: 20px;
    font-size: 11px;
    text-transform: uppercase;
    color: #9ddcff;
    animation: pulse 2.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.55; }
}

main {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.hero {
    max-width: 780px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 6px;
    margin-bottom: 12px;
    text-shadow: 0 4px 30px rgba(0, 80, 140, 0.7);
    background: linear-gradient(180deg, #ffffff 0%, #9ddcff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #9ddcff;
    margin-bottom: 30px;
}

.description {
    font-size: 1rem;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 45px;
    color: #c6dcef;
}

.facts {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.fact {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fact .num {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 25px rgba(95, 200, 255, 0.6);
}

.fact .label {
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #9ddcff;
    margin-top: 6px;
    max-width: 130px;
}

.subscribe {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto 16px;
    flex-wrap: wrap;
}

.subscribe input {
    flex: 1;
    min-width: 220px;
    padding: 14px 20px;
    border: 1px solid rgba(95, 200, 255, 0.4);
    border-radius: 50px;
    background: rgba(0, 30, 60, 0.5);
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    backdrop-filter: blur(6px);
    transition: border-color 0.3s;
}

.subscribe input:focus {
    border-color: #5fc8ff;
}

.subscribe input::placeholder {
    color: #8fb8d8;
}

.subscribe button {
    padding: 14px 30px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #5fc8ff, #1e7fc4);
    color: #fff;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 8px 30px rgba(30, 127, 196, 0.5);
}

.subscribe button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(95, 200, 255, 0.7);
}

.note {
    font-size: 0.8rem;
    color: #7fa8c4;
    letter-spacing: 0.5px;
}

footer {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 25px;
    font-size: 0.8rem;
    color: #6a90ab;
    letter-spacing: 1px;
}

@media (max-width: 640px) {
    header {
        padding: 18px 22px;
        flex-direction: column;
        gap: 12px;
    }
    .facts {
        gap: 28px;
    }
    .fact .num {
        font-size: 1.8rem;
    }
    .subscribe button {
        width: 100%;
    }
}