:root {
    --primary: #d97706;
    --primary-hover: #b45309;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --light: #f8fafc;
    --muted: #64748b;
    --muted-2: #94a3b8;
    --white: #ffffff;
    --card-bg: #1e293b;
    --text-main: #334155;
    --border: #cbd5e1;
    --whatsapp: #25d366;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

[dir="rtl"] body { font-family: "Segoe UI", Tahoma, "Noto Sans Arabic", Arial, sans-serif; }

a { color: inherit; }

/* ===== Header / Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; }
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: var(--dark);
    color: var(--white);
    flex-wrap: wrap;
    gap: 15px;
}
.logo { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.3px; color: var(--white); }
.nav-links { display: flex; list-style: none; gap: 24px; }
.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

.language-switcher { display: flex; gap: 8px; align-items: center; }
.language-switcher a {
    color: var(--muted-2);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 8px;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.2s;
}
.language-switcher a:hover { color: var(--white); border-color: var(--muted); }
.language-switcher a.active { color: var(--primary); font-weight: 700; border-color: var(--primary); }

/* ===== Hero ===== */
.hero-section {
    background: linear-gradient(rgba(15,23,42,0.92), rgba(15,23,42,0.95));
    padding: 100px 5%;
    color: var(--white);
    text-align: center;
}
.hero-container { max-width: 820px; margin: 0 auto; }
.hero-container h1 { font-size: 2.5rem; margin-bottom: 20px; color: var(--white); line-height: 1.2; }
.hero-container h2 { font-size: 1.8rem; margin-bottom: 18px; color: var(--white); line-height: 1.3; }
.hero-container p { font-size: 1.1rem; color: #cbd5e1; margin-bottom: 16px; }
.hero-container strong { color: var(--primary); }
.hero-container ul { text-align: left; margin: 16px auto 24px; max-width: 640px; color: #e2e8f0; padding-left: 20px; }
[dir="rtl"] .hero-container ul { text-align: right; padding-left: 0; padding-right: 20px; }
.hero-container ul li { margin-bottom: 8px; }

.badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.hero-ctas { margin-top: 30px; }
.hero-trust {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    padding: 0;
    color: #cbd5e1;
    font-size: 0.9rem;
}
.hero-trust li {
    background: rgba(255,255,255,0.06);
    padding: 6px 14px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}
.section-subtitle {
    text-align: center;
    color: var(--muted);
    max-width: 720px;
    margin: -30px auto 40px;
    font-size: 1.05rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    font-size: 0.95rem;
    line-height: 1.2;
}
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid var(--white); margin-left: 12px; }
[dir="rtl"] .btn-secondary { margin-left: 0; margin-right: 12px; }
.btn-secondary:hover { background: var(--white); color: var(--dark); }
.btn-whatsapp { background: var(--whatsapp); color: white; border-color: var(--whatsapp); }
.btn-whatsapp:hover { background: #1da851; border-color: #1da851; }

/* ===== Sections ===== */
.section-container { max-width: 1100px; margin: 0 auto; padding: 80px 5%; }
.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--dark);
    line-height: 1.2;
}
[dir="rtl"] .section-title { text-align: center; }

/* ===== Specs ===== */
.specs-section { background: var(--white); }
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.spec-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    border-top: 4px solid var(--primary);
    transition: transform 0.2s, box-shadow 0.2s;
}
.spec-card:hover { transform: translateY(-3px); box-shadow: 0 8px 14px -2px rgba(0,0,0,0.12); }
.spec-card h3 { margin-bottom: 15px; color: var(--dark); font-size: 1.2rem; }
.spec-card p { color: var(--text-main); }

/* ===== Calculator ===== */
.calculator-section { background: #f1f5f9; }
.calc-box {
    max-width: 620px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}
.form-group { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-weight: 600; color: var(--dark); }
.form-group input,
.form-group select {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    background: var(--white);
    color: var(--text-main);
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.calc-result-card {
    background: #f8fafc;
    border-left: 4px solid var(--primary);
}
[dir="rtl"] .calc-result-card { border-left: none; border-right: 4px solid var(--primary); }
.calc-result-card h4 { color: var(--dark); margin-bottom: 8px; }
.calc-result-card p { color: var(--text-main); margin-bottom: 4px; }
.calc-result-card textarea {
    border: 1px solid var(--border);
    background: var(--white);
    resize: vertical;
}

/* ===== Contact ===== */
.contact-section { background: var(--light); }
.contact-card {
    background: var(--dark);
    color: var(--white);
    padding: 50px 40px;
    border-radius: 8px;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.contact-card h3 { color: var(--primary); margin-bottom: 18px; font-size: 1.5rem; }
.contact-card p { color: var(--muted-2); margin-bottom: 28px; }
.contact-buttons { display: flex; flex-direction: column; align-items: center; gap: 15px; }
.email-text { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 1.05rem; color: var(--white) !important; margin: 0; }

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: var(--muted);
    text-align: center;
    padding: 30px 5%;
    font-size: 0.9rem;
    border-top: 1px solid var(--dark-2);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-container { flex-direction: column; gap: 12px; padding: 16px 5%; }
    .nav-links { flex-direction: column; align-items: center; gap: 8px; }
    .hero-section { padding: 60px 5%; }
    .hero-container h1 { font-size: 1.8rem; }
    .hero-container h2 { font-size: 1.4rem; }
    .section-container { padding: 50px 5%; }
    .section-title { font-size: 1.6rem; margin-bottom: 30px; }
    .calc-box { padding: 24px; }
    .hero-ctas { display: flex; flex-direction: column; gap: 12px; align-items: center; }
    .btn-secondary { margin-left: 0; margin-right: 0; }
    .contact-card { padding: 36px 24px; }
}