/* Base */

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #ffffff;
    color: #111111;
    line-height: 1.6;
}

/* Header / Nav */

.site-header {
    background: #000000;
    color: #ffffff;
    padding: 12px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 80px;
    height: auto;
}

.brand-name {
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
    transition: color 0.2s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: width 0.2s ease;
}

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

/* Hero */

.hero {
    max-width: 1100px;
    margin: 40px auto;
    text-align: center;
    padding: 60px 20px;
    border-radius: 12px;
    background: #000000;
    color: #ffffff;
}

.hero-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 20px auto;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.95rem;
    border: 1px solid #ffffff;
    transition: background 0.2s ease, color 0.2s ease;
}

.primary-btn {
    background: #ffffff;
    color: #000000;
}

.primary-btn:hover {
    background: transparent;
    color: #ffffff;
}

/* Intro / Page */

.intro,
.page-header,
.content {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px;
}

.intro h2,
.page-header h1 {
    margin-bottom: 10px;
}

.page-header p {
    color: #555555;
}

/* Content */

.content h2 {
    margin-top: 20px;
    margin-bottom: 10px;
}

.content p {
    margin-bottom: 12px;
}

.service-list {
    list-style: none;
    margin-top: 10px;
}

.service-list li {
    margin-bottom: 10px;
}

/* Subsidiary placeholder */

.subsidiary-placeholder {
    margin-top: 20px;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    background: #f7f7f7;
    text-align: center;
}

.subsidiary-placeholder .note {
    margin-top: 8px;
    color: #666666;
    font-style: italic;
}

/* Footer */

.site-footer {
    margin-top: 40px;
    padding: 20px;
    text-align: center;
    background: #000000;
    color: #ffffff;
    font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 10px;
    }

    .hero {
        margin: 20px;
        padding: 40px 20px;
    }

    .logo-img {
        width: 60px;
    }

    .hero-logo {
        width: 90px;
    }
}
/* CSS VARIABLES */
:root {
    --bg: #ffffff;
    --text: #111111;
    --card-bg: #f7f7f7;
    --card-border: #e0e0e0;
    --header-bg: #000000;
    --header-text: #ffffff;
}

body.dark {
    --bg: #111111;
    --text: #f1f1f1;
    --card-bg: #1c1c1c;
    --card-border: #333333;
    --header-bg: #000000;
    --header-text: #ffffff;
}

/* BASE */
body {
    background: var(--bg);
    color: var(--text);
    transition: background 0.3s ease, color 0.3s ease;
}

/* HEADER */
.site-header {
    background: var(--header-bg);
    color: var(--header-text);
}

/* NAV LINKS */
.nav-links a {
    color: var(--header-text);
}

/* HERO */
.hero {
    background: var(--header-bg);
    color: var(--header-text);
}

/* CARDS */
.contact-card,
.contact-form-card,
.subsidiary-placeholder {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

/* DARK MODE BUTTON */
.dark-toggle {
    background: transparent;
    border: 1px solid var(--header-text);
    color: var(--header-text);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.dark-toggle:hover {
    background: var(--header-text);
    color: var(--header-bg);
}
/* Modern Contact Form */
.modern-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 35px;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.modern-form h2 {
    margin-bottom: 20px;
    font-size: 1.6rem;
}

/* Floating Label Inputs */
.input-group {
    position: relative;
    margin-bottom: 25px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--card-border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.input-group textarea {
    resize: none;
}

.input-group label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: #777;
    font-size: 0.95rem;
    pointer-events: none;
    transition: 0.25s ease;
}

/* Floating effect */
.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label,
.input-group textarea:focus + label,
.input-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    background: var(--bg);
    padding: 0 6px;
    font-size: 0.8rem;
    color: var(--text);
}

/* Focus effect */
.input-group input:focus,
.input-group textarea:focus {
    border-color: #000;
}

/* Modern Button */
.modern-btn {
    background: #000;
    color: #fff;
    padding: 14px 26px;
    border-radius: 999px;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s ease;
}

body.dark .modern-btn {
    background: #fff;
    color: #000;
}

.modern-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.15);
}
/* Subsidiary Card */
.subsidiary-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.subsidiary-card h3 {
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.subsidiary-card h4 {
    margin-top: 20px;
    font-size: 1.2rem;
    color: var(--text);
}

.subsidiary-card p {
    margin-bottom: 10px;
}

.feature-list {
    list-style: disc;
    margin-left: 25px;
    margin-bottom: 10px;
}

.feature-list li {
    margin-bottom: 6px;
}

/* Hover effect */
.subsidiary-card:hover {
    box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}