/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #1a202c; line-height: 1.6; background: #fff;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
    display: inline-block; padding: 14px 32px; border-radius: 8px;
    font-weight: 600; font-size: 15px; cursor: pointer; border: none;
    transition: all 0.25s ease; text-align: center;
}
.btn-primary { background: #dd6b20; color: #fff; }
.btn-primary:hover { background: #c05621; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(221,107,32,0.35); }
.btn-outline { background: transparent; color: #1a365d; border: 2px solid #1a365d; }
.btn-outline:hover { background: #1a365d; color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 18px 40px; font-size: 17px; }

/* ===== Navbar ===== */
.navbar {
    position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px); border-bottom: 1px solid #e2e8f0;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: 3px; color: #1a365d; }
.nav-menu { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-menu a { font-size: 15px; font-weight: 500; color: #4a5568; transition: color 0.2s; }
.nav-menu a:hover { color: #dd6b20; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { width: 25px; height: 3px; background: #1a365d; border-radius: 2px; transition: 0.3s; }

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: #fff; padding: 100px 0 120px; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(221,107,32,0.15) 0%, transparent 70%); border-radius: 50%;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
    display: inline-block; background: rgba(221,107,32,0.2); color: #fbd38d;
    padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.15; margin-bottom: 24px; }
.hero h1 span { color: #f6ad55; }
.hero p { font-size: 19px; color: #cbd5e0; margin-bottom: 36px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-image img { max-width: 420px; filter: drop-shadow(0 20px 50px rgba(0,0,0,0.4)); border-radius: 16px; }

/* ===== Trust Bar ===== */
.trust-bar { background: #f7fafc; padding: 40px 0; border-bottom: 1px solid #e2e8f0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.trust-item h3 { font-size: 28px; font-weight: 800; color: #1a365d; margin-bottom: 6px; }
.trust-item p { font-size: 14px; color: #718096; font-weight: 500; }

/* ===== Section Common ===== */
.section { padding: 100px 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-label {
    display: inline-block; color: #dd6b20; font-size: 13px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.section-header h2 { font-size: 40px; font-weight: 800; color: #1a202c; margin-bottom: 16px; line-height: 1.2; }
.section-header p { font-size: 18px; color: #718096; }

/* ===== Features ===== */
.features { background: #fff; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-card {
    background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 36px 28px;
    transition: all 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: #dd6b20; }
.feature-icon {
    width: 56px; height: 56px; background: linear-gradient(135deg, #dd6b20, #ed8936);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 26px; margin-bottom: 20px;
}
.feature-card h3 { font-size: 19px; font-weight: 700; color: #1a202c; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: #718096; line-height: 1.6; }

/* ===== Product Showcase ===== */
.product-showcase { background: #f7fafc; }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.product-image { background: #fff; border-radius: 20px; padding: 40px; box-shadow: 0 10px 40px rgba(0,0,0,0.06); }
.product-image img { border-radius: 12px; margin: 0 auto; }
.product-info h2 { font-size: 36px; font-weight: 800; color: #1a202c; margin-bottom: 20px; line-height: 1.2; }
.product-info > p { font-size: 17px; color: #4a5568; margin-bottom: 28px; line-height: 1.7; }
.product-specs { list-style: none; margin-bottom: 32px; }
.product-specs li {
    display: flex; align-items: center; gap: 12px; padding: 10px 0;
    font-size: 15px; color: #4a5568; border-bottom: 1px solid #e2e8f0;
}
.product-specs li:last-child { border-bottom: none; }
.spec-check { color: #38a169; font-weight: 700; font-size: 18px; }
.product-price { font-size: 32px; font-weight: 800; color: #1a365d; margin-bottom: 24px; }
.product-price span { font-size: 16px; color: #718096; font-weight: 400; }

/* ===== Why Choose Us ===== */
.why-us { background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-card { text-align: center; padding: 40px 28px; }
.why-icon { font-size: 48px; margin-bottom: 20px; }
.why-card h3 { font-size: 21px; font-weight: 700; color: #1a202c; margin-bottom: 12px; }
.why-card p { font-size: 15px; color: #718096; line-height: 1.7; }

/* ===== Testimonials ===== */
.testimonials { background: #1a365d; color: #fff; }
.testimonials .section-header h2 { color: #fff; }
.testimonials .section-header p { color: #a0aec0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; padding: 32px; backdrop-filter: blur(10px);
}
.testimonial-stars { color: #f6ad55; font-size: 18px; margin-bottom: 16px; }
.testimonial-card p { font-size: 15px; color: #e2e8f0; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { font-weight: 600; color: #fff; font-size: 14px; }
.testimonial-author span { color: #a0aec0; font-weight: 400; }

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, #dd6b20 0%, #ed8936 100%);
    color: #fff; padding: 80px 0; text-align: center;
}
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 18px; opacity: 0.9; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section .btn-outline { border-color: #fff; color: #fff; }
.cta-section .btn-outline:hover { background: #fff; color: #dd6b20; }

/* ===== Page Header (inner pages) ===== */
.page-header {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: #fff; padding: 80px 0; text-align: center;
}
.page-header h1 { font-size: 44px; font-weight: 800; margin-bottom: 12px; }
.page-header p { font-size: 18px; color: #cbd5e0; }

/* ===== Content Page ===== */
.content-page { padding: 80px 0; }
.content-page .container { max-width: 800px; }
.content-page h2 { font-size: 28px; font-weight: 700; color: #1a202c; margin: 40px 0 16px; }
.content-page h3 { font-size: 22px; font-weight: 600; color: #1a202c; margin: 32px 0 12px; }
.content-page p { font-size: 16px; color: #4a5568; line-height: 1.8; margin-bottom: 16px; }
.content-page ul, .content-page ol { margin: 16px 0 16px 24px; }
.content-page li { font-size: 16px; color: #4a5568; line-height: 1.8; margin-bottom: 8px; }
.content-page a { color: #dd6b20; text-decoration: underline; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-card {
    background: #f7fafc; border-radius: 16px; padding: 40px;
}
.contact-info-card h3 { font-size: 22px; font-weight: 700; color: #1a202c; margin-bottom: 24px; }
.contact-detail { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-detail-icon {
    width: 48px; height: 48px; min-width: 48px; background: #fff; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 22px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.contact-detail h4 { font-size: 15px; font-weight: 600; color: #1a202c; margin-bottom: 4px; }
.contact-detail p, .contact-detail a { font-size: 14px; color: #718096; line-height: 1.6; }

/* ===== Footer ===== */
.footer { background: #1a202c; color: #a0aec0; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { font-size: 22px; font-weight: 800; letter-spacing: 3px; color: #fff; margin-bottom: 16px; }
.footer-desc { font-size: 14px; line-height: 1.7; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 14px; color: #a0aec0; transition: color 0.2s; }
.footer-col a:hover { color: #dd6b20; }
.contact-info li { font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.contact-info a { color: #a0aec0; }
.contact-info a:hover { color: #dd6b20; }
.footer-bottom {
    border-top: 1px solid #2d3748; padding: 24px 0;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: #718096; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero-grid, .product-grid, .contact-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 38px; }
    .section-header h2 { font-size: 30px; }
    .nav-menu {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 24px; gap: 16px;
        border-bottom: 1px solid #e2e8f0; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .nav-menu.active { display: flex; }
    .nav-toggle { display: flex; }
}
@media (max-width: 568px) {
    .features-grid, .trust-grid, .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 60px 0 80px; }
    .hero h1 { font-size: 30px; }
    .section { padding: 60px 0; }
    .section-header h2 { font-size: 26px; }
}