@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #00796b; /* Teal */
    --primary-light: #e0f2f1;
    --primary-dark: #004d40;
    --secondary: #00e676; /* Green Accent */
    --background: #f4fbfb;
    --card-bg: #ffffff;
    --text-main: #263238;
    --text-muted: #546e7a;
    --border-color: #cfd8dc;
    --accent: #26a69a;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 77, 64, 0.15);
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
}

header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

header p {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

nav {
    background-color: white;
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

nav a {
    color: var(--primary);
    text-decoration: none;
    margin: 0 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--secondary);
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 4px;
}

main {
    max-width: 800px;
    width: 90%;
    margin: 3rem auto;
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 121, 107, 0.05);
    border: 1px solid rgba(0, 121, 107, 0.05);
    flex-grow: 1;
}

h2 {
    color: var(--primary-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 0.5rem;
}

h3 {
    color: var(--primary);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

p {
    margin-bottom: 1.2rem;
    color: var(--text-main);
    font-size: 1.05rem;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.6rem;
    color: var(--text-main);
}

.hero-section {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-logo {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0, 121, 107, 0.2);
    margin-bottom: 1.5rem;
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.promo-card {
    background-color: var(--background);
    padding: 1.8rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 121, 107, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 121, 107, 0.08);
}

.promo-card h3 {
    margin-top: 0;
    color: var(--primary-dark);
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1.5rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 121, 107, 0.2);
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-info {
    background-color: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    border-radius: 4px 8px 8px 4px;
    margin-top: 2rem;
}

.contact-info p {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--primary-dark);
}

footer {
    background-color: var(--primary-dark);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.1);
}

footer a {
    color: var(--secondary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Detail app page styling */
.lang-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.lang-header {
    background-color: var(--primary-light);
    padding: 0.8rem 1.2rem;
    font-weight: 600;
    color: var(--primary-dark);
    border-bottom: 1px solid var(--border-color);
}

.lang-body {
    padding: 1.5rem;
}

en, id {
    display: block;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    main {
        padding: 1.5rem;
        margin: 1.5rem auto;
    }
}