@font-face {
    font-family: Title;
    src: url(font/Kanit-Regular.ttf);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 40px 60px;
    position: relative;
    background: var(--hero-bg);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(193, 237, 204, 0.08) 0%, transparent 70%);
    top: 10%;
    right: 10%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1.5px 1.5px at 15% 25%, rgba(193,237,204,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 60%, rgba(193,237,204,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 20%, rgba(193,237,204,0.25) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 85% 75%, rgba(193,237,204,0.35) 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 85%, rgba(193,237,204,0.2) 0%, transparent 100%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(60px, 10vw, 120px);
    font-weight: 900;
    letter-spacing: 8px;
    color: var(--Background);
    text-shadow: 0 0 40px rgba(193, 237, 204, 0.4), 0 0 80px rgba(37, 161, 142, 0.2);
    margin-bottom: 10px;
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: clamp(13px, 2vw, 16px);
    color: var(--secondary-txt);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeUp 0.8s ease 0.2s forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeUp 0.8s ease 0.4s forwards;
    opacity: 0;
    transform: translateY(30px);
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1px;
    transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(42, 187, 165, 0.4);
}

.btn-primary:hover {
    background-color: var(--Sidebar);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(42, 187, 165, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--Background);
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1px;
    border: 2px solid rgba(193, 237, 204, 0.5);
    transition: border-color 0.2s, transform 0.2s, background-color 0.2s;
}

.btn-secondary:hover {
    border-color: var(--Background);
    background-color: rgba(193, 237, 204, 0.08);
    transform: translateY(-2px);
}

main {
    padding: 80px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    background: var(--content-bg);
}

.card-brief {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px 40px;
    color: var(--Background);
    max-width: 750px;
    width: 100%;
    font-size: 18px;
    text-align: center;
    line-height: 1.7;
    backdrop-filter: blur(5px);
    transition: border-color 0.3s, background 0.3s;
}

.card-brief:hover {
    border-color: rgba(193, 237, 204, 0.35);
    background: rgba(193, 237, 204, 0.09);
}

.card-brief h2 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--accent);
    letter-spacing: 2px;
}

.card-full {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
    color: var(--secondary-txt);
    max-width: 750px;
    width: 100%;
    font-size: 17px;
    text-align: center;
    line-height: 1.9;
    backdrop-filter: blur(5px);
    transition: border-color 0.3s;
}

.card-full:hover { border-color: rgba(193, 237, 204, 0.2); }

.highlight {
    color: var(--accent);
    font-weight: bold;
}