body {
    margin: 0;
    font-family: "Sarabun", "TH Sarabun New", sans-serif;
    color: #2e2e2e;
    background-color: #faf9f6;
    line-height: 1.9;
}

.hero {
    height: 90vh;
    background: url("images/hero.jpg") center/cover no-repeat;
    position: relative;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.main-nav {
    background: #3b2f1c;
    text-align: center;
    padding: 12px;
}

.main-nav a {
    color: #f5e7c6;
    margin: 0 15px;
    text-decoration: none;
}

.section {
    padding: 80px 20px;
}

.bg-soft {
    background: #f1ede4;
}

.bg-dark {
    background: linear-gradient(to bottom, #3b2f1c, #1f180e);
    color: #fff;
}

.container {
    max-width: 1100px;
    margin: auto;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.section img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

h2 {
    font-size: 2.2rem;
    color: #8a6a2f;
    margin-bottom: 20px;
}

.center {
    text-align: center;
}

.card {
    background: #fff;
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.steps li {
    margin-bottom: 15px;
}

blockquote {
    font-size: 1.6rem;
    font-weight: 300;
}

.author {
    margin-top: 15px;
    opacity: 0.8;
}

footer {
    background: #1f180e;
    color: #d8c9a0;
    text-align: center;
    padding: 30px;
    font-size: 0.9rem;
}