@import url('variables.css');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&display=swap');

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Typography map */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading-kr);
    /* Default to clean KR sans */
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.en-heading {
    font-family: var(--font-heading-en);
    font-weight: 700;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: var(--spacing-sm) auto 0;
}

.text-gold {
    color: var(--color-accent);
}

.text-light {
    color: var(--color-text-light);
}

.text-center {
    text-align: center;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* Components */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-outline:hover {
    background-color: rgba(197, 160, 89, 0.1);
}

/* Header/Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm) 0;
    transition: transform 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    height: 30px;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Language Switcher */
.language-switcher {
    position: relative;
    margin-left: 1rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.lang-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    background: white;
    min-width: 120px;
    border-radius: var(--radius-sm);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.language-switcher:hover .lang-dropdown,
.language-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li a {
    display: block;
    padding: 0.5rem 1.2rem;
    color: var(--color-text-main);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.lang-dropdown li a:hover {
    background: #f1f5f9;
    color: var(--color-primary);
}

.lang-dropdown li a.active {
    color: var(--color-accent);
    font-weight: 600;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    font-size: 1.8rem;
    color: white;
    cursor: pointer;
}

.mobile-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.mobile-nav-links.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.mobile-nav-links li {
    text-align: center;
    margin: 1rem 0;
}

.mobile-nav-links a {
    color: white;
    font-size: 1.1rem;
    display: block;
    padding: 0.5rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    background-color: var(--color-bg-dark);
    color: var(--color-video-text-light);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    color: var(--color-text-light);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
    max-width: 150px;
    /* Adjust as needed */
}

.footer-logo img {
    width: 100%;
    height: auto;
    display: block;
}

.footer-copy {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    opacity: 0.5;
    color: white;
}

/* Contact Form Styles */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-top: 4px solid var(--color-accent);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.95rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-secondary-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 25, 47, 0.1);
    background-color: white;
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-submit {
    width: 100%;
    margin-top: 1rem;
}


/* Media Queries for Mobile Responsiveness */
@media screen and (max-width: 768px) {

    /* Global Adjustments */
    :root {
        --spacing-md: 1.5rem;
        --spacing-xl: 4rem;
        --font-heading-kr: 'Pretendard', sans-serif;
    }

    /* Navigation */
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    /* Hero Section */
    #hero h1 {
        font-size: 2.2rem !important;
    }

    #hero p {
        font-size: 1rem !important;
    }

    /* Sections */
    .section-title {
        font-size: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    /* Grids to Single Column */
    #vision>div>div[style*="grid-template-columns"],
    #problem>div>div[style*="grid-template-columns"],
    #solution>div>div[style*="grid-template-columns"],
    #why-us>div>div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
        margin-top: 2rem !important;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    /* Contact Form */
    .contact-form {
        padding: 1.5rem;
    }
}