html {
    scroll-behavior: smooth;
}
body {
    background: #ffffff;
    margin: 0;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    display: flex;
    align-items: center;
    min-height: 100vh;
    color: #1e293b;
}
.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}
.card.hero {
    background: #ffffff;
    border-radius: 32px;
    padding: 3rem 2rem;
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.05), 0 2px 8px -4px rgba(0, 0, 0, 0.02);
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: transform 0.25s ease, box-shadow 0.3s ease;
}
.card.hero:hover {
    box-shadow: 0 25px 45px -15px rgba(0, 0, 0, 0.08);
    transform: translateY(-3px);
}
.hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 1rem 0;
    color: #0f172a;
    display: inline-block;
    position: relative;
    white-space: nowrap;
    overflow: hidden;
    border-right: 3px solid #4361ee;
    animation: typing 3.5s steps(13, end), blink-caret 0.8s step-end infinite;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
    padding-right: 8px;
}
@keyframes typing {
    0% { width: 0; }
    1% { width: 0; }
    100% { width: 100%; }
}
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: #4361ee; }
}
.hero p {
    color: #475569;
    font-size: 1.2rem;
    margin: 1.8rem 0 2.2rem 0;
    line-height: 1.6;
    font-weight: 400;
    backdrop-filter: blur(2px);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.8s;
}
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}
.btn-group {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 60px;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
    background: #4361ee;
    color: white;
    box-shadow: 0 4px 12px -4px rgba(67, 97, 238, 0.3);
    min-width: 110px;
}
.btn:hover {
    background: #3651d4;
    transform: scale(1.02);
    box-shadow: 0 8px 18px -6px rgba(67, 97, 238, 0.5);
}
.btn-outline {
    background: transparent;
    border: 2px solid #4361ee;
    color: #4361ee;
    box-shadow: none;
}
.btn-outline:hover {
    background: #4361ee;
    color: white;
    border-color: #4361ee;
    transform: translateY(-2px);
}
@media (max-width: 480px) {
    .card.hero { padding: 2rem 1.5rem; }
    .hero h1 {
        font-size: 2rem;
        white-space: normal;
        border-right: none;
        animation: none;
        padding-right: 0;
    }
    .hero p { font-size: 1rem; }
    .btn-group { gap: 0.8rem; flex-direction: column; align-items: stretch; }
}
.scroll-hint {
    margin-top: 3rem;
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0.6;
    animation: bounce 2.2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}
.scroll-hint svg {
    width: 18px;
    height: 18px;
    stroke: #94a3b8;
    fill: none;
}