/* Global Styles & Variables */
:root {
    --primary: #ff1493;
    --primary-light: #ff69b4;
    --secondary: #8a2be2;
    --background: #fff9fc;
    --dark: #333333;
    --light: #ffffff;
    --grey: #f5f5f5;
    --shadow: 0 4px 6px rgba(255, 20, 147, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sarabun', 'Prompt', sans-serif;
    background-color: var(--background);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 2.8rem;
    background: linear-gradient(45deg, var(--primary) 30%, var(--secondary) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary);
}

section {
    padding: 5rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
header {
    background-color: var(--light);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-svg {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    font-weight: 600;
    position: relative;
    padding-bottom: 0.25rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    height: 3px;
    width: 25px;
    background-color: var(--primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    padding: 2rem;
    background: linear-gradient(135deg, #ffe6f2 0%, #f9f0ff 100%);
}

.hero-content {
    flex: 1;
    min-width: 300px;
    padding: 2rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    text-align: center;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-svg {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0px 10px 15px rgba(0, 0, 0, 0.1));
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    text-align: center;
    transition: var(--transition);
    min-width: 180px;
}

.cta-primary {
    background: linear-gradient(45deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--light);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 20, 147, 0.3);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 20, 147, 0.4);
    color: var(--light);
}

.cta-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.cta-secondary:hover {
    background-color: rgba(255, 20, 147, 0.1);
    transform: translateY(-3px);
}

.cta-center {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

/* Features Section */
.features {
    background-color: var(--light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--grey);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 20, 147, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

/* How It Works Section */
.how-it-works {
    background: linear-gradient(135deg, #f9f0ff 0%, #ffe6f2 100%);
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    text-align: center;
    padding: 1.5rem;
    background-color: var(--light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

/* FAQ Section */
.faq {
    background-color: var(--light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--grey);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 4rem 2rem 1rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo-svg {
    height: 45px;
    width: auto;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
}

.footer-section {
    min-width: 150px;
}

.footer-section h4 {
    color: var(--primary-light);
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.7rem;
}

.footer-section ul li a {
    color: var(--light);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--light);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        clip-path: circle(0% at top right);
        transition: clip-path 0.5s ease;
    }
    
    .nav-links.active {
        clip-path: circle(150% at top right);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    section {
        padding: 3rem 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .feature-grid, .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step {
        width: 100%;
    }
}

/* Fonts for Thai language */
@font-face {
    font-family: 'Sarabun';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/sarabun/v13/DtVjJx26TKEr37c9aAFJn2QN.woff2) format('woff2');
    unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}

@font-face {
    font-family: 'Sarabun';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/sarabun/v13/DtVmJx26TKEr37c9YK5sulwm6gDXvwE.woff2) format('woff2');
    unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}

@font-face {
    font-family: 'Prompt';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/prompt/v10/-W__XJnvUD7dzB2KdNodVkI.woff2) format('woff2');
    unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}

@font-face {
    font-family: 'Prompt';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/prompt/v10/-W__XJnvUD7dzB2KYNoZVkI.woff2) format('woff2');
    unicode-range: U+0E01-0E5B, U+200C-200D, U+25CC;
}