:root {
    --navy: #0a1f38;
    --navy-soft: #1e3a5f;
    --bg: #f4f6fb;
    --text: #0a1f38;
    --text-muted: #5a6b80;
}

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

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background:
        radial-gradient(1200px 800px at 15% 10%, #e7edf7 0%, transparent 60%),
        radial-gradient(1000px 700px at 90% 90%, #dfe7f4 0%, transparent 60%),
        linear-gradient(180deg, #f6f8fc 0%, #eaeff8 100%);
}

.grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(10, 31, 56, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 31, 56, 0.05) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.85) 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.85) 0%, transparent 75%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: drift 18s ease-in-out infinite;
}

.orb-a {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, #b8c9e4 0%, transparent 70%);
    top: -120px;
    left: -120px;
}

.orb-b {
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, #c6d4ea 0%, transparent 70%);
    bottom: -160px;
    right: -160px;
    animation-delay: -9s;
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -30px); }
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 48px 24px;
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    animation: fadeUp 0.9s ease both;
}

.logo {
    width: min(440px, 82vw);
    height: auto;
    margin-bottom: -60px;
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

.tagline {
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    line-height: 1.6;
    color: var(--text);
    max-width: 560px;
    font-weight: 300;
    letter-spacing: 0.01em;
    margin-bottom: 36px;
}

.contact {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 999px;
    background: var(--navy);
    border: 1px solid var(--navy);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    box-shadow: 0 10px 24px rgba(10, 31, 56, 0.18);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.contact:hover {
    background: var(--navy-soft);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(10, 31, 56, 0.25);
}

.contact svg {
    transition: transform 0.2s ease;
}

.contact:hover svg {
    transform: translateX(3px);
}

.email {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
    letter-spacing: 0.04em;
}

.footer {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    .logo {
        margin-bottom: -40px;
    }
    .tagline {
        margin-bottom: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .orb, .hero { animation: none; }
}
