:root {
    --primary-dark: #0f172a;
    --primary-gold: #d97706;
    --gold-hover: #b45309;
    --bg-light: #f8fafc;
    --text-main: #334155;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazirmatn', sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.7;
}

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

/* Navbar */
.navbar {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 800;
}

.logo small {
    display: block;
    font-size: 0.75rem;
    color: #94a3b8;
    font-weight: 400;
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    transition: 0.3s;
}

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

.admin-btn {
    background: rgba(217, 119, 6, 0.2);
    border: 1px solid var(--primary-gold);
    padding: 6px 14px;
    border-radius: 6px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 75vh;
    background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}

.hero h1 {
    font-size: 2.6rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero p {
    font-size: 1.15rem;
    color: #cbd5e1;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    border: none;
    font-size: 0.95rem;
}

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

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

.btn-outline {
    border: 2px solid var(--white);
    color: var(--white);
    margin-right: 12px;
}

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

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stat-box {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    text-align: center;
    border-bottom: 4px solid var(--primary-gold);
}

.stat-box h3 {
    font-size: 2rem;
    color: var(--primary-dark);
    font-weight: 800;
}

/* Sections */
section { padding: 80px 0; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary-dark); color: var(--white); }

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    width: 70px;
    height: 4px;
    background: var(--primary-gold);
    display: block;
    margin: 12px auto 0;
}

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

.service-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.04);
    transition: transform 0.3s;
}

.service-card:hover { transform: translateY(-8px); }
.service-card .icon { font-size: 2.5rem; margin-bottom: 15px; }
.service-card h3 { margin-bottom: 12px; color: var(--primary-dark); }

/* Portfolio & Filters */
.filter-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--primary-dark);
    background: transparent;
    color: var(--primary-dark);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.07);
    border: 1px solid #e2e8f0;
}

.project-img {
    position: relative;
    height: 230px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.badge.high-rise { background: var(--primary-dark); }
.badge.low-rise { background: var(--primary-gold); }

.project-info { padding: 22px; }
.project-info h3 { color: var(--primary-dark); margin-bottom: 10px; }
.project-desc { font-size: 0.9rem; color: #64748b; margin-bottom: 18px; }

.project-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.85rem;
    background: var(--bg-light);
    padding: 12px;
    border-radius: 6px;
    font-weight: 500;
}

/* Contact & Forms */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-list { list-style: none; margin-top: 25px; }
.contact-list li { margin-bottom: 12px; font-size: 1.05rem; }

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.95rem;
}

.w-100 { width: 100%; }

.alert-success {
    background: #16a34a;
    color: #fff;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

/* Admin Styles */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
}

.admin-card, .login-box {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.login-box { width: 100%; max-width: 400px; }
.login-box h2, .admin-card h3 { margin-bottom: 20px; color: var(--primary-dark); }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th, .admin-table td {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    text-align: right;
}

.del-btn {
    color: #dc2626;
    text-decoration: none;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 25px;
    background: #090d16;
    color: #94a3b8;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .contact-wrapper, .admin-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.9rem; }
    .nav-links { display: none; }
}