/* CSS Architecture tokens: Dark Slate & Mint Green */
:root {
    --bg-base: #0b111e;
    --bg-surface: #121b2d;
    --bg-card: #1c2638;
    --primary: #10b981;
    --primary-hover: #059669;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
    --white: #ffffff;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background-color: var(--bg-base); }
body { font-family: var(--font-body); color: var(--text-main); background-color: var(--bg-base); overflow-x: hidden; line-height: 1.6; padding-top: 80px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--white); line-height: 1.2; font-weight: 700; }
h1 { font-size: 3.8rem; letter-spacing: -1.5px; }
h2 { font-size: 2.6rem; letter-spacing: -1px; }
h3 { font-size: 1.6rem; }
p { color: var(--text-muted); font-size: 1.05rem; }
.text-center { text-align: center; }
.m-top { margin-top: 50px; }
.btn { display: inline-block; padding: 14px 28px; border-radius: 6px; font-weight: 600; font-family: var(--font-body); text-decoration: none; transition: var(--transition); border: none; cursor: pointer; font-size: 0.95rem; }
.btn-primary { background-color: var(--primary); color: var(--bg-base); }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background-color: transparent; color: var(--white); border: 1px solid var(--border); margin-left: 16px; }
.btn-secondary:hover { background-color: rgba(255,255,255,0.05); border-color: var(--white); }
.btn-outline { background-color: transparent; border: 1px solid var(--border); color: var(--white); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { display: block; width: 100%; text-align: center; }
.badge { display: inline-block; background-color: rgba(16, 185, 129, 0.1); color: var(--primary); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; text-transform: uppercase; }
.navbar { position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(11, 17, 30, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; }
.brand { font-family: var(--font-heading); font-size: 1.6rem; color: var(--white); text-decoration: none; font-weight: 700; }
.brand span { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-link { text-decoration: none; color: var(--text-muted); font-weight: 500; font-size: 0.95rem; transition: var(--transition); }
.nav-link:hover { color: var(--white); }
.btn-nav { background-color: rgba(255,255,255,0.05); border: 1px solid var(--border); padding: 8px 18px; border-radius: 4px; color: var(--white) !important; }
.btn-nav:hover { background-color: var(--primary); color: var(--bg-base) !important; border-color: var(--primary); }
.hamburger { display: none; background: none; border: none; flex-direction: column; gap: 6px; cursor: pointer; }
.hamburger .bar { width: 22px; height: 2px; background-color: var(--white); transition: var(--transition); }
section { padding: 100px 0; border-bottom: 1px solid var(--border); }
.hero-section { padding-top: 180px; background: radial-gradient(circle at 90% 10%, rgba(16, 185, 129, 0.05) 0%, transparent 50%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero-content h1 { line-height: 1.1; margin-bottom: 24px; }
.hero-content p { margin-bottom: 32px; font-size: 1.15rem; }
.responsive-img { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card { background-color: var(--bg-surface); padding: 32px; border-radius: 8px; border: 1px solid var(--border); text-align: center; }
.stat-card i { font-size: 2rem; color: var(--primary); margin-bottom: 12px; }
.stat-card h4 { font-size: 2.2rem; margin-bottom: 4px; }
.services-section { background-color: var(--bg-surface); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background-color: var(--bg-card); border: 1px solid var(--border); padding: 40px 30px; border-radius: 8px; transition: var(--transition); }
.service-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.icon-box { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.service-card h3 { margin-bottom: 12px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: stretch; }
.pricing-card { background-color: var(--bg-surface); border: 1px solid var(--border); border-radius: 8px; padding: 40px 30px; display: flex; flex-direction: column; position: relative; }
.pricing-card.feature-premium { border: 2px solid var(--primary); background-color: rgba(28, 38, 56, 0.4); }
.ribbon { position: absolute; top: 16px; right: 16px; background-color: var(--primary); color: var(--bg-base); font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 4px; text-transform: uppercase; }
.pricing-card h3 { font-size: 1.4rem; margin-bottom: 12px; }
.pricing-card .price { font-size: 3rem; font-weight: 700; color: var(--white); margin-bottom: 16px; font-family: var(--font-heading); }
.pricing-card .desc { font-size: 0.95rem; margin-bottom: 28px; }
.pricing-card .features { list-style: none; margin-bottom: 32px; flex-grow: 1; }
.pricing-card .features li { margin-bottom: 12px; font-size: 0.95rem; display: flex; align-items: center; gap: 10px; }
.pricing-card .features li i.fa-check { color: var(--primary); }
.pricing-card .features li.disabled { color: rgba(255,255,255,0.2); text-decoration: line-through; }
.testimonials-section { background-color: var(--bg-surface); }
.testimonials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.testimonial-card { background-color: var(--bg-card); border: 1px solid var(--border); padding: 40px; border-radius: 8px; }
.testimonial-card .quote { font-size: 1.15rem; color: var(--white); font-style: italic; line-height: 1.6; margin-bottom: 24px; font-family: var(--font-heading); }
.author { display: flex; align-items: center; gap: 16px; }
.avatar { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.author h5 { font-size: 1.05rem; }
.author p { font-size: 0.85rem; margin-bottom: 0; }
.faq-wrapper { max-width: 800px; margin-left: auto; margin-right: auto; }
.faq-item { border: 1px solid var(--border); margin-bottom: 12px; border-radius: 6px; overflow: hidden; background-color: var(--bg-surface); }
.faq-trigger { width: 100%; padding: 22px 28px; background: none; border: none; text-align: left; display: flex; justify-content: space-between; align-items: center; color: var(--white); font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; cursor: pointer; }
.faq-trigger i { font-size: 0.9rem; color: var(--primary); transition: var(--transition); }
.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-content p { padding: 0 28px 24px 28px; }
.faq-item.open .faq-trigger i { transform: rotate(180deg); }
.faq-item.open .faq-content { max-height: 200px; }
.contact-grid-box { background-color: var(--bg-surface); border: 1px solid var(--border); border-radius: 12px; padding: 50px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info h2 { font-size: 2.6rem; margin-bottom: 16px; }
.info-details { margin-top: 30px; }
.info-details p { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: var(--white); }
.info-details p i { color: var(--primary); }
.interactive-form input, .interactive-form textarea { width: 100%; padding: 14px; margin-bottom: 20px; background-color: var(--bg-base); border: 1px solid var(--border); color: var(--white); font-family: var(--font-body); border-radius: 4px; outline: none; }
.interactive-form input:focus, .interactive-form textarea:focus { border-color: var(--primary); }
.success-panel { display: none; background-color: rgba(16, 185, 129, 0.1); border: 1px solid var(--primary); padding: 20px; color: #6ee7b7; border-radius: 4px; font-size: 0.95rem; margin-top: 20px; }
.footer { padding: 40px 0; border-top: 1px solid var(--border); background-color: #060a12; text-align: center; }
.footer p { font-size: 0.9rem; }
.credit-line { margin-top: 6px; }
.credit-line a { color: var(--primary); text-decoration: none; font-weight: 500; }
.credit-line a:hover { text-decoration: underline; }
.back-to-top { position: fixed; bottom: -50px; right: 30px; width: 48px; height: 48px; background-color: var(--primary); color: var(--bg-base); border: none; border-radius: 4px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1rem; box-shadow: 0 10px 20px rgba(0,0,0,0.3); z-index: 99; transition: var(--transition); }
.back-to-top.show { bottom: 30px; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 992px) { .hero-grid, .about-grid, .services-grid, .pricing-grid, .testimonials-grid, .contact-grid-box { grid-template-columns: 1fr; gap: 40px; } .hero-image { order: -1; } .contact-grid-box { padding: 32px; } }
@media (max-width: 768px) { .hamburger { display: flex; } .nav-menu { position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--bg-surface); flex-direction: column; padding: 40px 24px; gap: 24px; border-top: 1px solid var(--border); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: var(--transition); } .nav-menu.active { opacity: 1; visibility: visible; transform: translateY(0); } .btn-nav { width: 100%; text-align: center; } .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); } .hamburger.active .bar:nth-child(2) { opacity: 0; } .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); } }