/* =========================================
   1. CSS Variables & Modern Reset
   ========================================= */
:root {
    --primary: #0f172a;           /* Deep Slate Navy */
    --primary-light: #1e293b;
    --accent: #d97706;            /* Premium Amber/Copper */
    --accent-hover: #b45309;
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(217, 119, 6, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.8;
    color: var(--text-main);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--accent);
    font-weight: 600;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
    text-underline-offset: 4px;
}

ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================================
   2. Typography & UI Elements
   ========================================= */
h1, h2, h3 {
    line-height: 1.25;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); margin-top: 3rem; margin-bottom: 1.5rem; position: relative; display: inline-block; }
h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}
h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; }

p { margin-bottom: 1.5rem; color: var(--text-main); font-size: 1.05rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(217, 119, 6, 0.3);
    color: white;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    width: 100%;
    max-width: 400px;
}

/* =========================================
   3. Header & Navigation
   ========================================= */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    text-decoration: none !important;
}

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

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
}

.nav-menu a:hover { color: var(--accent); }

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* =========================================
   4. Hero Section (Elegant, No Images)
   ========================================= */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
    color: white;
    padding: 6rem 0 8rem;
    text-align: center;
    overflow: hidden;
}

.hero-bg-shape {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(217, 119, 6, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fcd34d;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(4px);
}

.hero h1 { color: white; }

.hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

/* =========================================
   5. Main Content & Cards
   ========================================= */
.main-content {
    padding: 4rem 24px;
    margin-top: -4rem; /* Overlap effect */
    position: relative;
    z-index: 10;
}

.seo-article {
    background: var(--bg-card);
    padding: 3.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
}

.card {
    background: var(--bg-body);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card:hover::before { transform: scaleX(1); }

.card-icon {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(217, 119, 6, 0.15);
    margin-bottom: 1rem;
    line-height: 1;
}

.card h3 { color: var(--primary); }
.card p { margin-bottom: 0; font-size: 0.95rem; color: var(--text-muted); }

/* =========================================
   6. FAQ Accordion
   ========================================= */
.faq-container {
    margin-top: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem 2rem;
    background: transparent;
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: inherit;
}

.faq-question:hover {
    background: rgba(217, 119, 6, 0.03);
    color: var(--accent);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
    color: var(--accent);
}

.faq-question.active {
    background: rgba(217, 119, 6, 0.05);
}

.faq-question.active::after {
    content: '−';
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.7;
}

/* =========================================
   7. Contact Section
   ========================================= */
.contact-section {
    padding: 4rem 24px;
}

.contact-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 4rem 3rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
    pointer-events: none;
}

.contact-card h2 { color: white; margin-top: 0; }
.contact-card h2::after { background: var(--accent); left: 50%; transform: translateX(-50%); }
.contact-card > p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 2.5rem; }

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2.5rem auto;
    max-width: 500px;
    text-align: left;
}

.contact-item {
    display: flex;
    flex-direction: column;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.contact-item:last-child { border-bottom: none; padding-bottom: 0; }

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    text-decoration: none !important;
}

.contact-value:hover { color: var(--accent); }

/* =========================================
   8. Footer
   ========================================= */
.footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo { color: white; display: block; margin-bottom: 1rem; }
.footer-brand p { max-width: 350px; font-size: 0.95rem; color: rgba(255,255,255,0.6); margin-bottom: 0; }

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--accent); text-decoration: none; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

/* =========================================
   9. Responsive Design
   ========================================= */
@media (max-width: 900px) {
    .main-content { margin-top: -2rem; }
    .seo-article { padding: 2rem; }
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-card);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.active { transform: translateX(0); }
    
    .nav-menu a {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
        padding: 1rem;
        border-radius: var(--radius);
    }
    
    .nav-menu a:hover { background: var(--bg-body); }
    
    .nav-cta {
        background: var(--accent);
        color: white !important;
        margin-top: 1rem;
    }
    
    .hero { padding: 4rem 0 6rem; }
    .contact-card { padding: 2.5rem 1.5rem; }
    .footer-content { flex-direction: column; gap: 2rem; }
}