/* --- Variables & Reset --- */
:root {
    --primary: #f5b400; /* Industrial Yellow */
    --bg-dark: #111111;
    --bg-light-dark: #1a1a1a;
    --text-gray: #b0b0b0;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-dark);
    color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; }
.section-padding { padding: 80px 0; }

/* --- Navbar --- */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

#navbar.scrolled {
    background: var(--bg-dark);
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

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

.logo a {
    font-size: 24px;
    font-weight: 800;
}

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

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
}

.nav-links a:hover, .nav-links a.active { color: var(--primary); }

.lang-toggle button {
    background: transparent;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 5px 12px;
    cursor: pointer;
    border-radius: 4px;
}

/* --- Page Hero --- */
.page-hero {
    height: 450px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.8), transparent);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 60px;
    font-weight: 900;
    text-transform: uppercase;
}

/* --- Tab Navigation --- */
.tab-nav {
    background: var(--bg-light-dark);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.flex-tabs {
    display: flex;
}

.tab-link {
    padding: 20px 40px;
    font-weight: 600;
    background: var(--bg-dark);
    transition: var(--transition);
}

.tab-link.active {
    background: var(--primary);
    color: var(--bg-dark);
}

.tab-link:hover:not(.active) {
    background: #222;
}

/* --- Profile Section --- */
.profile-bg { background: var(--bg-light-dark); }

.profile-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.profile-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 18px;
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 12px 30px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

/* --- Values Grid --- */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.value-card {
    padding: 30px;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(245, 180, 0, 0.1);
}

.value-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

/* --- International Section --- */
.accent-title {
    color: var(--primary);
    font-size: 36px;
    margin-bottom: 20px;
}

.statement-p {
    max-width: 900px;
    color: var(--text-gray);
    font-size: 18px;
}

/* --- Milestone Timeline --- */
.timeline {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding-bottom: 20px;
}

.timeline-item {
    min-width: 250px;
}

.year-block {
    background: #333;
    padding: 10px;
    text-align: center;
    font-weight: 800;
    margin-bottom: 20px;
    clip-path: polygon(0% 0%, 90% 0%, 100% 50%, 90% 100%, 0% 100%);
}

.year-block.active {
    background: var(--primary);
    color: var(--bg-dark);
}

.milestone-content img {
    width: 100%;
    margin-bottom: 10px;
    border: 1px solid #333;
}

.milestone-content p {
    font-size: 14px;
    color: var(--text-gray);
}

/* --- Footer --- */
footer {
    background: #000;
    padding: 60px 0;
    color: #888;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col a:hover { color: var(--primary); }

/* --- Responsive --- */
@media (max-width: 992px) {
    .nav-links, .lang-toggle { display: none; }
    .grid-4, .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .profile-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 40px; }
}

@media (max-width: 600px) {
    .grid-4, .footer-grid { grid-template-columns: 1fr; }
}