@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;700&family=Inter:wght@300;400;600;800&display=swap');

:root {
    --primary: #1a1a1a; /* Charcoal Black */
    --secondary: #f38a3e; /* Matched to logo orange */
    --accent: #2c3e50; /* Steel Blue */
    --steel: #bdc3c7;
    --bg-dark: #121212;
    --bg-light: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

h1, h2, h3, .logo {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: var(--transition);
}

nav.scrolled {
    background: var(--primary);
    padding: 1rem 5%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

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

.nav-logo {
    height: 60px;
    background: white;
    padding: 5px;
    border-radius: 4px;
}

.footer-logo {
    height: 50px;
    background: white;
    padding: 5px;
    border-radius: 4px;
}

nav.scrolled .nav-logo {
    height: 50px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('industrial_steel.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 5%;
    color: var(--text-light);
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    border-left: 8px solid var(--secondary);
    padding-left: 2rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 600px;
    opacity: 0.9;
}

.btn {
    padding: 1rem 2.5rem;
    background: var(--secondary);
    color: white;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: var(--transition);
}

.btn:hover {
    background: #d35400;
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 8rem 5%;
}

.section-title {
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 3rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 5px;
    background: var(--secondary);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    height: 400px;
    position: relative;
    overflow: hidden;
    background: var(--primary);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    color: white;
    transform: translateY(20px);
    opacity: 0.8;
    transition: var(--transition);
}

.project-card:hover .card-content {
    transform: translateY(0);
    opacity: 1;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 5rem 5% 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem;
    color: #888;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s all ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}