/* --- 1. VARIABILE & RESET (NOU: GALBEN & NEGRU) --- */
:root {
    --primary: #FFC107;      /* Galben Industrial (Amber) - Impact Vizual */
    --primary-hover: #e0a800; /* Galben mai închis pentru hover */
    --secondary: #111111;    /* Negru Intens - Autoritate */
    --secondary-light: #333333; /* Gri închis pentru texte */
    --accent: #ff0000;       /* Roșu (doar pentru erori sau badge-uri) */
    --light-bg: #f4f4f4;     /* Gri foarte deschis, curat */
    --text: #222222;         /* Text general aproape negru */
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; line-height: 1.6; color: var(--text); }
h1, h2, h3 { color: var(--secondary); font-weight: 800; text-transform: uppercase; letter-spacing: -0.5px; }
a { text-decoration: none; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.bg-light { background: var(--light-bg); }
.bg-dark { background: var(--secondary); color: var(--white); }

/* --- 2. HEADER --- */
header { background: var(--secondary); /* Header Negru pentru contrast cu galben */ box-shadow: 0 4px 15px rgba(0,0,0,0.2); position: fixed; width: 100%; top: 0; z-index: 999; height: 70px; }
.navbar { display: flex; justify-content: space-between; align-items: center; height: 100%; }

.logo { font-size: 1.6rem; font-weight: 900; color: var(--white); text-transform: uppercase; }
.logo span { color: var(--primary); } /* "Serv" va fi Galben */

.nav-menu { display: flex; gap: 25px; align-items: center; }
.nav-link { color: #ddd; font-weight: 600; font-size: 0.9rem; text-transform: uppercase; }
.nav-link:hover { color: var(--primary); }

.nav-cta {
    background: var(--primary); 
    color: var(--secondary); /* Text negru pe buton galben! */
    padding: 10px 22px;
    border-radius: 4px; font-weight: 800; font-size: 0.9rem;
    text-transform: uppercase;
}
.nav-cta:hover { background: var(--white); color: var(--secondary); }

/* --- 3. HERO --- */
.hero {
    position: relative;
    height: 85vh;
    background: url('https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?q=80&w=2070'); /* Imagine mai industrială */
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    /* Gradient de la negru la transparent pentru lizibilitate */
    background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.6) 50%, rgba(0,0,0,0.2) 100%);
}

.hero-content { position: relative; z-index: 2; max-width: 650px; }
.hero-content h1 { 
    font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; 
    color: var(--white); /* Titlu Alb pe fundal întunecat */
}
.hero-content h1 span { color: var(--primary); } /* Accente galbene în titlu */
.hero-content p { font-size: 1.2rem; margin-bottom: 30px; color: #ddd; font-weight: 500; }

.btn { display: inline-block; padding: 14px 35px; border-radius: 4px; font-weight: 700; border: none; cursor: pointer; text-transform: uppercase; letter-spacing: 0.5px; }

.btn-primary { background: var(--primary); color: var(--secondary); /* Text negru pe galben */ }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }

.btn-outline { border: 2px solid var(--white); color: var(--white); margin-left: 10px; background: transparent; }
.btn-outline:hover { background: var(--white); color: var(--secondary); }

/* --- 4. SERVICII --- */
.section-title { text-align: center; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto; }
.section-title.white h2, .section-title.white p { color: var(--white); }
.subtitle { display: block; color: var(--primary); font-weight: 800; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 10px; }
.section-title h2 { font-size: 2.5rem; margin-bottom: 15px; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

.card {
    background: var(--white); padding: 40px 30px; border-radius: 6px;
    border-bottom: 4px solid transparent; /* Linie jos invizibilă */
    box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: 0.3s; 
}
.card:hover { 
    transform: translateY(-8px); 
    border-bottom: 4px solid var(--primary); /* Apare linia galbenă la hover */
    box-shadow: 0 15px 30px rgba(0,0,0,0.1); 
}

.icon-circle {
    width: 70px; height: 70px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 25px;
    background: var(--secondary); color: var(--primary); /* Cerc negru cu icon galben */
}
.icon-circle.aesthetic { background: var(--primary); color: var(--secondary); } /* Invers pentru estetic */

.card h3 { margin-bottom: 15px; font-size: 1.4rem; }
.card p { color: #666; font-size: 1rem; }

/* --- 5. PORTOFOLIU --- */
.gallery-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px;
}
.gallery-grid img { height: 250px; transition: 0.3s; filter: grayscale(20%); /* Ușor alb-negru pentru stil */ }
.gallery-grid img:hover { transform: scale(1.03); filter: grayscale(0%); /* Color la hover */ }

/* --- 6. PRICING (ABONAMENTE) - IMPACT VIZUAL --- */
.pricing-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; margin-top: 20px; }

.pricing-card {
    background: var(--white); border: 1px solid #eee; border-radius: 8px; width: 320px; padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: 0.3s; position: relative;
    display: flex; flex-direction: column;
}
.pricing-card:hover { border-color: var(--primary); box-shadow: 0 15px 40px rgba(0,0,0,0.1); transform: translateY(-5px); }

/* Cardul Popular - Galben */
.pricing-card.popular { 
    border: 2px solid var(--primary); 
    background: #fffae6; /* Galben foarte palid fundal */
    transform: scale(1.05); z-index: 2; 
}

.badge-popular {
    position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
    background: var(--secondary); color: var(--primary); /* Badge Negru cu scris Galben */
    padding: 6px 20px; border-radius: 20px; font-weight: 700; font-size: 0.8rem; letter-spacing: 1px;
}

.plan-name { font-size: 1.5rem; color: var(--secondary); text-align: center; margin-bottom: 10px; font-weight: 900; }
.plan-price { font-size: 3rem; color: var(--secondary); font-weight: 800; text-align: center; margin-bottom: 30px; }
.plan-period { font-size: 1rem; color: #777; font-weight: 500; }

.plan-features { list-style: none; padding: 0; margin-bottom: 30px; flex-grow: 1; }
.plan-features li { padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05); color: #444; display: flex; align-items: center; }
.plan-features li::before {
    content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    color: var(--primary); /* Bifa Galbenă */
    margin-right: 12px;
}
.pricing-card .btn { width: 100%; margin-top: auto; }

/* --- 7. CONTACT --- */
.contact-box {
    display: flex; background: var(--white); box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border-radius: 10px; overflow: hidden;
}
.contact-text { flex: 1; padding: 50px; background: var(--secondary); color: var(--white); }
.contact-text h2 { color: var(--primary); margin-bottom: 20px; } /* Titlu Galben */
.info-list .item { margin-top: 25px; display: flex; align-items: center; gap: 15px; font-size: 1.1rem; }
.info-list i { color: var(--primary); font-size: 1.3rem; }

.contact-form { flex: 1; padding: 50px; display: flex; flex-direction: column; gap: 20px; }
.contact-form input, .contact-form select, .contact-form textarea {
    padding: 15px; border: 2px solid #eee; border-radius: 4px; font-family: inherit; width: 100%; font-weight: 500;
    transition: 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); outline: none; }
.contact-form textarea { height: 120px; resize: vertical; }
.full-width { width: 100%; }

/* --- 8. RESPONSIVE --- */
.hamburger { display: none; cursor: pointer; }
.bar { width: 25px; height: 3px; background: var(--white); margin: 5px 0; } /* Burger alb pe fundal negru */

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu {
        position: fixed; left: -100%; top: 70px; flex-direction: column;
        background: var(--secondary); width: 100%; padding: 30px 0; /* Meniu mobil negru */
        transition: 0.3s; border-top: 1px solid #333;
    }
    .nav-menu.active { left: 0; }
    .hero-content { margin: 0 auto; text-align: center; }
    .hero { height: auto; padding: 140px 0 100px 0; }
    .gallery-grid { grid-template-columns: 1fr; }
    .contact-box { flex-direction: column; }
    .pricing-card.popular { transform: none; }
    .pricing-card { width: 100%; }
}