:root {
    --bg-color: #f4f7f6;
    --text-color: #2c3e50;
    --text-muted: #596b7d;
    --primary-color: #0b2046;
    --accent-color: #e65c00;
    --accent-hover: #cc5200;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-color: #e2e8f0;
}

[data-theme="dark"] {
    --bg-color: #121826;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --primary-color: #1a365d;
    --card-bg: #1e293b;
    --header-bg: #1e293b;
    --border-color: #334155;
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: Arial, sans-serif; background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; transition: 0.3s; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Domain Sale Bar */
.domain-sale-bar {
    background: #111;
    color: #fff;
    text-align: center;
    padding: 10px;
    font-size: 14px;
    font-weight: bold;
}
.domain-sale-bar a { color: var(--accent-color); text-decoration: none; margin-left: 10px; border-bottom: 1px dashed; }

/* Header */
.header { background-color: var(--header-bg); box-shadow: var(--shadow-light); position: sticky; top: 0; z-index: 1000; }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.6rem; font-weight: bold; color: var(--primary-color); }
.logo span { color: var(--accent-color); }
[data-theme="dark"] .logo { color: #fff; }

.nav a { margin: 0 15px; font-weight: 600; text-decoration: none; color: var(--text-color); transition: 0.2s; }
.nav a:hover { color: var(--accent-color); }

.controls { display: flex; align-items: center; gap: 15px; }
.lang-switch { text-decoration: none; color: var(--text-color); font-weight: bold; border: 1px solid var(--border-color); padding: 4px 8px; border-radius: 4px; font-size: 12px; }
.theme-btn { background: none; border: none; color: var(--text-color); font-size: 1.2rem; cursor: pointer; }

/* Hero */
.hero { background-color: var(--primary-color); color: #ffffff; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 3rem; margin-bottom: 20px; color: #fff; }
.hero p { color: #e2e8f0; font-size: 1.2rem; max-width: 700px; margin: 0 auto 30px; }
.hero-btns { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-block; padding: 14px 30px; border-radius: 5px; font-weight: bold; text-decoration: none; transition: 0.3s; }
.btn-primary { background-color: var(--accent-color); color: #fff; }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--primary-color); }

/* Grid & Cards */
section { padding: 80px 0; }
h2 { text-align: center; font-size: 2.2rem; margin-bottom: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }

.card { background-color: var(--card-bg); padding: 40px 30px; border-radius: 12px; box-shadow: var(--shadow-light); text-align: center; transition: 0.3s; border: 1px solid var(--border-color); }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.card-icon { font-size: 2.5rem; color: var(--accent-color); margin-bottom: 20px; }

/* Steps */
.step { text-align: center; }
.step-number { width: 50px; height: 50px; background: var(--accent-color); color: #fff; font-size: 1.5rem; font-weight: bold; display: flex; align-items: center; justify-content: center; border-radius: 50%; margin: 0 auto 20px; }

/* Footer */
.footer { background-color: var(--primary-color); color: #fff; padding: 60px 0 20px; }
.footer h3, .footer p { color: #fff; }
.messengers { display: flex; gap: 15px; margin-bottom: 15px; }
.messenger-link { width: 45px; height: 45px; background: rgba(255,255,255,0.1); color: #fff; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 1.3rem; text-decoration: none; transition: 0.3s; }
.messenger-link:hover { background: var(--accent-color); }
.phone { font-size: 1.6rem; font-weight: bold; }
.footer-bottom { text-align: center; margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 0.9rem; opacity: 0.7; }

/* Mobile */
@media (max-width: 768px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.2rem; }
    .header-inner { flex-direction: column; height: auto; padding: 20px 0; gap: 15px; }
}