/* style.css */
:root {
    --pastel-pink: #FFD1DC;
    --pastel-pink-dark: #FFB6C1;
    --pastel-blue: #AEC6CF;
    --pastel-mint: #C1E1C1;
    --pastel-cream: #FDFD96;
    --text-dark: #555555;
    --text-light: #888888;
    --white: #FFFFFF;
    --shadow: 0 10px 20px rgba(255, 182, 193, 0.3);
    --border-radius: 25px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Kanit', sans-serif; color: var(--text-dark); background-color: #FFF5F7; line-height: 1.6; }
a { text-decoration: none; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.text-center { text-align: center; }

/* Typography */
h1, h2, h3 { color: #D87093; font-weight: 600; margin-bottom: 20px; }
h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
.subtitle { color: var(--text-light); font-size: 1.2rem; margin-bottom: 40px; }

/* Buttons */
.btn { display: inline-block; padding: 15px 35px; border-radius: 50px; font-weight: 600; cursor: pointer; transition: 0.3s; border: none; font-size: 1.1rem; }
.btn-primary { background-color: var(--pastel-pink-dark); color: var(--white); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-3px); background-color: #D87093; }
.btn-line { background-color: #00C300; color: var(--white); box-shadow: 0 5px 15px rgba(0, 195, 0, 0.3); }
.btn-line:hover { transform: translateY(-3px); background-color: #00A000; }

/* Header */
.navbar { background-color: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; border-bottom: 3px solid var(--pastel-pink); }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.8rem; font-weight: 700; color: #D87093; }
.nav-links a { margin-left: 20px; font-weight: 500; transition: 0.3s; color: var(--text-dark); }
.nav-links a:hover { color: #D87093; }

/* Grids & Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.card { background: var(--white); padding: 30px; border-radius: var(--border-radius); box-shadow: var(--shadow); transition: 0.3s; border: 2px solid #FFF0F5; }
.card:hover { transform: translateY(-5px); border-color: var(--pastel-pink-dark); }

/* Forms & Calculator */
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; color: #D87093; }
.form-group input, .form-group select { width: 100%; padding: 15px; border: 2px solid var(--pastel-pink); border-radius: 15px; outline: none; font-family: inherit; }

/* FAQ */
.faq-item { background: var(--white); border-radius: 15px; margin-bottom: 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.faq-question { width: 100%; text-align: left; padding: 20px; background: transparent; border: none; font-size: 1.1rem; font-weight: 600; color: #D87093; cursor: pointer; display: flex; justify-content: space-between; }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: 0.3s; color: var(--text-light); }

/* Gallery Image */
.img-rounded { width: 100%; border-radius: var(--border-radius); box-shadow: var(--shadow); object-fit: cover; }

/* Floating CTA */
.floating-cta { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 15px; z-index: 1000; }
.floating-cta a { display: flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; color: white; font-size: 1.5rem; box-shadow: var(--shadow); transition: 0.3s; }
.floating-cta .f-call { background-color: var(--pastel-pink-dark); }
.floating-cta .f-line { background-color: #00C300; }
.floating-cta a:hover { transform: scale(1.1); }

@media (max-width: 768px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    h1 { font-size: 2rem; }
    .nav-links { display: none; } /* ซ่อนเมนูบนมือถือชั่วคราวสำหรับตัวอย่าง */
}