/* --- Global Variables & Reset --- */
:root {
    --primary-color: #1a1a1a;    /* Deep Charcoal/Black background tone */
    --secondary-color: #262626;  /* Slate-gray for card contrasts */
    --accent-color: #d4af37;     /* Elegant Construction/Gold accents */
    --text-main: #ffffff;        /* Pure white for dominant headers */
    --text-muted: #b3b3b3;       /* Balanced gray for paragraphs */
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-color);
    color: var(--text-main);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- Global Section Utilities --- */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2, .section-title h3 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.section-title p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

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

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 4px;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
    border: 2px solid var(--accent-color);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 2px solid var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--text-main);
    color: var(--primary-color);
}

/* --- Header / Navigation --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(26, 26, 26, 0.95);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: background var(--transition-speed);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 2px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: color var(--transition-speed);
}

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

.btn-nav {
    border: 1px solid var(--accent-color);
    padding: 8px 20px;
    border-radius: 4px;
    transition: background var(--transition-speed)!important;
}

.btn-nav:hover {
    background-color: var(--accent-color);
    color: var(--primary-color) !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: all var(--transition-speed);
}

/* --- Hero Section --- */
.hero-section {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=80&w=1920') no-repeat center center/cover;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.5));
    z-index: 1;
}

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

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* --- Services Section --- */
.services-section {
    background-color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--secondary-color);
    padding: 40px 30px;
    border-radius: 6px;
    text-align: center;
    border-bottom: 3px solid transparent;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Projects Section --- */
.projects-section {
    background-color: #1f1f1f;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-item {
    background-color: var(--secondary-color);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.project-img-placeholder {
    height: 250px;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-style: italic;
    background-image: linear-gradient(45deg, #2b2b2b 25%, #383838 50%, #2b2b2b 75%);
}

.project-info {
    padding: 20px;
    border-top: 2px solid var(--accent-color);
}

.project-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.project-info span {
    font-size: 0.9rem;
    color: var(--accent-color);
}

/* --- About & Stats Section --- */
.about-section {
    background-color: var(--primary-color);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.sub-tag {
    color: var(--accent-color);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 10px;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 30px;
}

.founder-info h4 {
    font-size: 1.2rem;
    color: var(--text-main);
}

.founder-info .role {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-top: 2px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-box {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.stat-box h3 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* --- Partners Grid --- */
.partners-section {
    background-color: #1f1f1f;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 20px;
}

.logo-box {
    padding: 20px 40px;
    background-color: var(--secondary-color);
    border-radius: 4px;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
    min-width: 150px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
}

/* --- Footer & Contact Form --- */
.main-footer {
    background-color: #0f0f0f;
    border-top: 2px solid var(--accent-color);
    padding: 70px 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.6rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    position: relative;
}

.footer-col p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 15px;
}

.footer-col p i {
    color: var(--accent-color);
    margin-right: 10px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-main);
    transition: all var(--transition-speed);
}

.social-icons a:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.footer-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-form input, .footer-form textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--secondary-color);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: var(--text-main);
    font-family: inherit;
}

.footer-form input:focus, .footer-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* --- Bottom Bar --- */
.footer-bottom {
    background-color: #0a0a0a;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Responsive Adaptations --- */
@media (max-width: 992px) {
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .hero-content p {
        font-size: 1.2rem;
    }
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--primary-color);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: left var(--transition-speed) ease;
    }
    .nav-links.active {
        left: 0;
    }
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .bottom-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}