* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", sans-serif;
}

body {
    min-height: 100vh;
    background: #0e0c09;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
}

body::before {
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 28px 28px;
    z-index: 0;
}

body::after {
    background:
        radial-gradient(ellipse 65% 55% at 15% 5%, rgba(251, 146, 60, 0.18) 0%, transparent 65%),
        radial-gradient(ellipse 50% 55% at 85% 85%, rgba(234, 88, 12, 0.15) 0%, transparent 65%),
        radial-gradient(ellipse 40% 35% at 55% 40%, rgba(250, 204, 21, 0.08) 0%, transparent 65%);
    z-index: 0;
}

.navbar,
.main,
.footer {
    position: relative;
    z-index: 1;
}

.navbar {
    width: 100%;
    padding: 18px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    animation: fade-down 0.7s ease;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 3px;
}

.logo span {
    background: linear-gradient(90deg, #fb923c, #facc15);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-login,
.btn-primary {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    background: linear-gradient(135deg, #f97316, #ea580c);
    box-shadow: 0 6px 24px rgba(249, 115, 22, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.nav-login {
    padding: 9px 22px;
    border-radius: 24px;
    font-size: 13px;
}

.btn-primary {
    display: inline-block;
    padding: 13px 32px;
    border-radius: 30px;
    font-size: 14px;
}

.nav-login:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(249, 115, 22, 0.55);
    opacity: 0.95;
}

.main {
    flex: 1;
    padding: 60px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.hero {
    width: 100%;
    max-width: 680px;
    padding: 56px 64px;
    border-radius: 28px;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 165, 0, 0.15);
    position: relative;
    overflow: hidden;
    animation: fade-up 0.8s ease;
}

.hero::before {
    content: "";
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 360px;
    height: 160px;
    background: radial-gradient(ellipse, rgba(251, 146, 60, 0.2) 0%, transparent 70%);
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 24px;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid rgba(251, 146, 60, 0.3);
    background: rgba(251, 146, 60, 0.1);
    color: #fb923c;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.hero-tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.25);
}

.hero h1 {
    margin-bottom: 16px;
    font-size: 40px;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -1px;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, #fb923c, #facc15);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    margin-bottom: 36px;
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

.btn-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.features {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    animation: fade-up 1s ease;
}

.feat-card {
    flex: 1;
    min-width: 180px;
    padding: 22px 24px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 165, 0, 0.08);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.feat-card::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.feat-card:nth-child(1)::after {
    background: linear-gradient(90deg, #f97316, #fb923c);
}

.feat-card:nth-child(2)::after {
    background: linear-gradient(90deg, #facc15, #fb923c);
}

.feat-card:nth-child(3)::after {
    background: linear-gradient(90deg, #ea580c, #dc2626);
}

.feat-card:hover {
    transform: translateY(-3px);
    background: rgba(251, 146, 60, 0.06);
    border-color: rgba(251, 146, 60, 0.2);
}

.feat-card:hover::after {
    opacity: 1;
}

.feat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 12px;
    border-radius: 12px;
    background: rgba(249, 115, 22, 0.12);
    color: #fb923c;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.feat-title {
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.88);
}

.feat-desc {
    font-size: 12px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.45);
}

.footer {
    padding: 18px;
    text-align: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 11px;
    letter-spacing: 0.5px;
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 18px 20px;
    }

    .main {
        padding: 32px 18px 48px;
    }

    .hero {
        padding: 36px 24px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .feat-card {
        min-width: 100%;
    }
}