/* ========================================
   WEBKAPLAN - Professional Web Design
   ======================================== */
:root {
    --primary: #10B981;
    --primary-dark: #059669;
    --primary-light: #34D399;
    --accent: #1E293B;
    --accent-light: #334155;
    --dark: #0F172A;
    --dark-800: #1E293B;
    --dark-700: #334155;
    --gray-100: #F8FAFC;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --white: #FFFFFF;
    --bronz: #CD7F32;
    --silver: #A8A9AD;
    --gold: #FFD700;
    --platin: #7B68EE;
    --diamond: #00CED1;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Poppins', var(--font);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* Preloader */
.preloader { position:fixed; top:0; left:0; width:100%; height:100%; background:var(--dark); z-index:99999; display:flex; align-items:center; justify-content:center; transition: opacity 0.5s, visibility 0.5s; }
.preloader.hidden { opacity:0; visibility:hidden; }
.preloader-inner { display:flex; flex-direction:column; align-items:center; }
.preloader-logo { font-family:var(--font-display); font-size:2.5rem; font-weight:800; color:var(--white); margin-bottom:24px; }
.preloader-logo span { color:var(--primary); }
.preloader-bar { width:200px; height:3px; background:var(--dark-700); border-radius:4px; overflow:hidden; }
.preloader-progress { height:100%; width:0%; border-radius:4px; background:linear-gradient(90deg,var(--primary),var(--primary-light)); animation:preloaderAnim 1.2s ease-out forwards; }
@keyframes preloaderAnim { to { width:100%; } }

/* Navbar */
.navbar { position:fixed; top:0; left:0; width:100%; z-index:10000; padding:20px 0; transition:var(--transition); }
.navbar.scrolled { background:rgba(15,23,42,0.95); backdrop-filter:blur(20px); padding:12px 0; box-shadow:0 4px 30px rgba(0,0,0,0.3); }
.nav-container { display:flex; align-items:center; justify-content:space-between; }
.nav-logo { font-family:var(--font-display); font-size:1.5rem; font-weight:800; color:var(--white); }
.nav-logo span { color:var(--primary); }
.nav-menu { display:flex; align-items:center; gap:28px; }
.nav-link { color:rgba(255,255,255,0.7); font-size:0.9rem; font-weight:500; transition:var(--transition); position:relative; }
.nav-link:hover, .nav-link.active { color:var(--white); }
.nav-link.active::after { content:''; position:absolute; bottom:-4px; left:0; width:100%; height:2px; background:var(--primary); border-radius:2px; }
.nav-right { display:flex; align-items:center; gap:16px; }
.nav-cta { background:var(--primary); color:var(--white); padding:10px 24px; border-radius:var(--radius-sm); font-size:0.9rem; font-weight:600; transition:var(--transition); }
.nav-cta:hover { background:var(--primary-dark); transform:translateY(-2px); box-shadow:0 8px 24px rgba(16,185,129,0.4); }
.hamburger { display:none; background:none; border:none; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:24px; height:2px; background:var(--white); margin:5px 0; transition:var(--transition); border-radius:2px; }

/* Mobile */
.mobile-overlay { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.6); z-index:10001; opacity:0; visibility:hidden; transition:var(--transition); }
.mobile-overlay.active { opacity:1; visibility:visible; }
.mobile-menu { position:fixed; top:0; right:-320px; width:300px; height:100%; background:var(--dark-800); z-index:10002; transition:var(--transition); padding:24px; overflow-y:auto; }
.mobile-menu.active { right:0; }
.mobile-menu-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:32px; }
.mobile-close { background:none; border:none; color:var(--white); font-size:2rem; cursor:pointer; }
.mobile-menu-links { display:flex; flex-direction:column; gap:4px; }
.mobile-menu-links a { color:rgba(255,255,255,0.7); padding:14px 16px; border-radius:var(--radius-xs); font-size:1rem; font-weight:500; transition:var(--transition); }
.mobile-menu-links a:hover { background:rgba(255,255,255,0.06); color:var(--white); }

/* Hero */
.hero { position:relative; min-height:100vh; display:flex; align-items:center; padding:140px 0 100px; overflow:hidden; }
.hero-bg { position:absolute; top:0; left:0; width:100%; height:100%; background:var(--dark); z-index:-1; }
.hero-gradient { position:absolute; top:-30%; right:-10%; width:70%; height:120%; background:radial-gradient(ellipse, rgba(16,185,129,0.12) 0%, transparent 70%); }
.hero-grid-pattern { position:absolute; top:0; left:0; width:100%; height:100%; background-image:linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px); background-size:60px 60px; }
.hero-shapes { position:absolute; top:0; left:0; width:100%; height:100%; overflow:hidden; }
.hero-shape { position:absolute; border-radius:50%; opacity:0.06; }
.shape-1 { width:400px; height:400px; background:var(--primary); top:10%; right:-5%; }
.shape-2 { width:250px; height:250px; background:var(--gold); bottom:15%; left:5%; }
.shape-3 { width:180px; height:180px; background:var(--diamond); top:50%; right:20%; }
.hero-content { max-width:800px; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; padding:8px 20px; border-radius:50px; background:rgba(16,185,129,0.15); color:var(--primary-light); font-size:0.85rem; font-weight:600; margin-bottom:24px; border:1px solid rgba(16,185,129,0.2); }
.hero h1 { font-family:var(--font-display); font-size:3.8rem; font-weight:800; color:var(--white); line-height:1.15; margin-bottom:24px; }
.gradient-text { background:linear-gradient(135deg,var(--primary),#06B6D4); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-desc { color:rgba(255,255,255,0.6); font-size:1.15rem; line-height:1.8; margin-bottom:40px; max-width:600px; }
.hero-actions { display:flex; gap:16px; margin-bottom:60px; flex-wrap:wrap; }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:14px 32px; border-radius:var(--radius-sm); font-size:0.95rem; font-weight:600; cursor:pointer; transition:var(--transition); border:none; font-family:var(--font); }
.btn-primary { background:var(--primary); color:var(--white); }
.btn-primary:hover { background:var(--primary-dark); transform:translateY(-2px); box-shadow:0 8px 32px rgba(16,185,129,0.4); }
.btn-outline { background:transparent; color:var(--white); border:1.5px solid rgba(255,255,255,0.25); }
.btn-outline:hover { border-color:rgba(255,255,255,0.5); background:rgba(255,255,255,0.05); }
.btn-white { background:var(--white); color:var(--primary); }
.btn-white:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.15); }
.btn-outline-white { background:transparent; color:var(--white); border:1.5px solid rgba(255,255,255,0.4); }
.btn-outline-white:hover { background:rgba(255,255,255,0.1); }
.btn-card { background:var(--primary); color:var(--white); width:100%; margin-top:auto; }
.btn-card:hover { background:var(--primary-dark); transform:translateY(-2px); }
.btn-diamond { background:linear-gradient(135deg,var(--diamond),#0097A7); }
.btn-diamond:hover { box-shadow:0 8px 24px rgba(0,206,209,0.4); }
.btn-full { width:100%; }

/* Hero Stats */
.hero-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.hero-stat { text-align:center; }
.stat-number { display:block; font-family:var(--font-display); font-size:2rem; font-weight:800; color:var(--white); margin-bottom:4px; }
.stat-label { font-size:0.85rem; color:rgba(255,255,255,0.5); }

/* Section Headers */
.section-header { text-align:center; max-width:700px; margin:0 auto 60px; }
.section-tag { display:inline-block; padding:6px 16px; border-radius:50px; background:rgba(16,185,129,0.1); color:var(--primary); font-size:0.8rem; font-weight:700; text-transform:uppercase; letter-spacing:1px; margin-bottom:16px; }
.section-header h2 { font-family:var(--font-display); font-size:2.5rem; font-weight:700; color:var(--dark); margin-bottom:16px; line-height:1.2; }
.section-header p { color:var(--gray-500); font-size:1.05rem; line-height:1.7; }

/* Services */
.services { padding:100px 0; }
.services-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.service-card { background:var(--white); border:1px solid var(--gray-200); border-radius:var(--radius); padding:36px 28px; transition:var(--transition); }
.service-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--primary-light); }
.service-icon { width:56px; height:56px; border-radius:var(--radius-sm); background:rgba(16,185,129,0.1); display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.service-icon i { font-size:1.4rem; color:var(--primary); }
.service-card h3 { font-family:var(--font-display); font-size:1.15rem; font-weight:700; margin-bottom:12px; }
.service-card p { color:var(--gray-500); font-size:0.92rem; line-height:1.7; }

/* Pricing */
.pricing { padding:100px 0; background:var(--gray-100); }
.pricing-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:16px; align-items:start; }
.pricing-card { background:var(--white); border:1px solid var(--gray-200); border-radius:var(--radius); padding:32px 20px; text-align:center; display:flex; flex-direction:column; transition:var(--transition); position:relative; }
.pricing-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.pricing-card.popular { border-color:var(--primary); box-shadow:0 0 0 2px var(--primary), var(--shadow-lg); transform:scale(1.03); z-index:2; }
.pricing-card.popular:hover { transform:scale(1.03) translateY(-6px); }
.popular-badge { position:absolute; top:-14px; left:50%; transform:translateX(-50%); background:var(--primary); color:var(--white); padding:4px 18px; border-radius:50px; font-size:0.75rem; font-weight:700; white-space:nowrap; }
.pricing-tier-badge { display:inline-block; padding:4px 16px; border-radius:50px; font-size:0.75rem; font-weight:700; text-transform:uppercase; letter-spacing:1px; margin-bottom:16px; }
.bronz-badge { background:rgba(205,127,50,0.15); color:var(--bronz); }
.silver-badge { background:rgba(168,169,173,0.15); color:#7B7D80; }
.gold-badge { background:rgba(255,215,0,0.15); color:#BFA100; }
.platin-badge { background:rgba(123,104,238,0.15); color:var(--platin); }
.diamond-badge { background:rgba(0,206,209,0.15); color:#00A5A8; }
.pricing-icon { margin-bottom:12px; }
.pricing-icon i { font-size:2rem; }
[data-tier="bronz"] .pricing-icon i { color:var(--bronz); }
[data-tier="silver"] .pricing-icon i { color:var(--silver); }
[data-tier="gold"] .pricing-icon i { color:var(--gold); }
[data-tier="platin"] .pricing-icon i { color:var(--platin); }
[data-tier="diamond"] .pricing-icon i { color:var(--diamond); }
.pricing-card h3 { font-family:var(--font-display); font-size:1.15rem; font-weight:700; margin-bottom:4px; }
.pricing-tagline { font-size:0.8rem; color:var(--primary); font-weight:600; margin-bottom:12px; }
.pricing-desc { font-size:0.82rem; color:var(--gray-500); margin-bottom:20px; line-height:1.5; }
.pricing-price { display:flex; align-items:baseline; justify-content:center; gap:2px; margin-bottom:4px; }
.price-currency { font-size:1rem; font-weight:700; color:var(--primary); }
.price-amount { font-size:2.2rem; font-weight:800; color:var(--dark); line-height:1; }
.pricing-period { display:block; font-size:0.8rem; color:var(--gray-500); margin-bottom:20px; }
.pricing-features { margin-bottom:24px; text-align:left; display:flex; flex-direction:column; gap:0; flex-grow:1; }
.pricing-features li { display:flex; align-items:center; gap:8px; font-size:0.82rem; padding:8px 0; border-bottom:1px solid var(--gray-100); }
.pricing-features li:last-child { border-bottom:none; }
.pricing-features li i { font-size:0.7rem; width:16px; text-align:center; flex-shrink:0; }
.pricing-features li.included { color:var(--gray-600); }
.pricing-features li.included i { color:var(--primary); }
.pricing-features li.disabled { color:var(--gray-300); }
.pricing-features li.disabled i { color:var(--gray-300); }

/* Why Us */
.why-us { padding:100px 0; }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.why-card { background:var(--white); border:1px solid var(--gray-200); border-radius:var(--radius); padding:36px; transition:var(--transition); }
.why-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.why-icon { width:56px; height:56px; border-radius:var(--radius-sm); background:rgba(16,185,129,0.1); display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.why-icon i { font-size:1.4rem; color:var(--primary); }
.why-card h3 { font-family:var(--font-display); font-size:1.15rem; font-weight:700; margin-bottom:12px; }
.why-card p { color:var(--gray-500); font-size:0.92rem; line-height:1.7; }

/* Process */
.process { padding:100px 0; background:var(--dark); }
.process .section-tag { background:rgba(16,185,129,0.15); color:var(--primary-light); }
.process .section-header h2 { color:var(--white); }
.process .section-header p { color:rgba(255,255,255,0.5); }
.process-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.process-card { background:var(--dark-800); border:1px solid rgba(255,255,255,0.06); border-radius:var(--radius); padding:36px; text-align:center; transition:var(--transition); }
.process-card:hover { border-color:var(--primary); transform:translateY(-4px); }
.process-number { font-family:var(--font-display); font-size:3rem; font-weight:800; color:var(--primary); margin-bottom:16px; opacity:0.4; }
.process-card h3 { font-family:var(--font-display); font-size:1.1rem; font-weight:700; color:var(--white); margin-bottom:12px; }
.process-card p { color:rgba(255,255,255,0.5); font-size:0.9rem; line-height:1.7; }

/* Tech Stack */
.tech-stack { padding:80px 0; background:var(--gray-100); }
.tech-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:16px; }
.tech-item { background:var(--white); border:1px solid var(--gray-200); border-radius:var(--radius-sm); padding:24px 16px; text-align:center; transition:var(--transition); }
.tech-item:hover { border-color:var(--primary-light); transform:translateY(-4px); box-shadow:var(--shadow); }
.tech-item i { font-size:2rem; color:var(--primary); margin-bottom:8px; display:block; }
.tech-item span { font-size:0.82rem; font-weight:600; color:var(--gray-600); }

/* FAQ */
.faq { padding:100px 0; }
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--gray-200); }
.faq-question { width:100%; display:flex; align-items:center; justify-content:space-between; padding:24px 0; background:none; border:none; cursor:pointer; font-family:var(--font); font-size:1.05rem; font-weight:600; color:var(--dark); text-align:left; transition:var(--transition); }
.faq-question:hover { color:var(--primary); }
.faq-question i { color:var(--gray-400); font-size:0.8rem; transition:var(--transition); flex-shrink:0; margin-left:16px; }
.faq-item.active .faq-question i { transform:rotate(180deg); color:var(--primary); }
.faq-answer { max-height:0; overflow:hidden; transition:max-height 0.4s ease; }
.faq-answer p { padding-bottom:24px; color:var(--gray-500); line-height:1.8; font-size:0.95rem; }

/* CTA */
.cta-section { padding:80px 0; background:linear-gradient(135deg,var(--primary),var(--primary-dark)); text-align:center; }
.cta-section h2 { font-family:var(--font-display); font-size:2.5rem; font-weight:700; color:var(--white); margin-bottom:16px; }
.cta-section p { color:rgba(255,255,255,0.8); font-size:1.05rem; margin-bottom:32px; max-width:600px; margin-left:auto; margin-right:auto; }
.cta-buttons { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* Contact */
.contact { padding:100px 0; background:var(--dark); }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.contact-info .section-tag { background:rgba(16,185,129,0.15); color:var(--primary-light); }
.contact-info h2 { font-family:var(--font-display); font-size:2.5rem; font-weight:700; color:var(--white); margin:16px 0; }
.contact-info > p { color:rgba(255,255,255,0.5); font-size:1rem; line-height:1.7; margin-bottom:40px; }
.contact-details { display:flex; flex-direction:column; gap:24px; }
.contact-item { display:flex; align-items:flex-start; gap:16px; }
.contact-item i { width:44px; height:44px; border-radius:var(--radius-sm); background:rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center; color:var(--primary); font-size:1rem; flex-shrink:0; }
.contact-item strong { display:block; color:var(--white); font-size:0.85rem; margin-bottom:2px; }
.contact-item a, .contact-item span { color:rgba(255,255,255,0.5); font-size:0.92rem; }
.contact-item a:hover { color:var(--primary); }
.contact-form-wrap { background:var(--dark-800); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius); padding:40px; }
.contact-form { display:flex; flex-direction:column; gap:16px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.contact-form input, .contact-form select, .contact-form textarea { width:100%; padding:14px 18px; background:var(--dark-700); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius-sm); color:var(--white); font-family:var(--font); font-size:0.92rem; transition:var(--transition); outline:none; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color:rgba(255,255,255,0.3); }
.contact-form select { appearance:none; cursor:pointer; }
.contact-form select option { background:var(--dark-800); color:var(--white); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(16,185,129,0.15); }
.contact-form textarea { resize:vertical; min-height:120px; }

/* Footer */
.footer { background:var(--dark-800); color:rgba(255,255,255,0.5); padding:80px 0 0; border-top:1px solid rgba(255,255,255,0.05); }
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:48px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,0.06); }
.footer-logo { height:40px; margin-bottom:16px; mix-blend-mode:lighten; }
.footer-brand p { font-size:0.88rem; line-height:1.7; margin-bottom:20px; }
.footer-social { display:flex; gap:10px; }
.footer-social a { width:40px; height:40px; border-radius:var(--radius-sm); background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.5); font-size:0.95rem; transition:var(--transition); }
.footer-social a:hover { background:var(--primary); color:var(--white); border-color:var(--primary); }
.footer-links h4 { font-family:var(--font-display); font-size:0.95rem; font-weight:700; color:var(--white); margin-bottom:20px; }
.footer-links a { display:block; color:rgba(255,255,255,0.4); font-size:0.88rem; padding:4px 0; transition:var(--transition); }
.footer-links a:hover { color:var(--white); }
.footer-bottom { padding:24px 0; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
.footer-bottom p { font-size:0.85rem; }
.footer-bottom-logo { display:flex; align-items:center; gap:12px; }
.footer-bottom-logo img { height:28px; opacity:0.5; mix-blend-mode:lighten; transition:var(--transition); }
.footer-bottom-logo img:hover { opacity:0.8; }
.footer-bottom-logo span { font-size:0.78rem; color:rgba(255,255,255,0.3); }

/* Back to top */
.back-to-top { position:fixed; bottom:32px; right:32px; width:48px; height:48px; border-radius:50%; background:var(--primary); color:var(--white); border:none; cursor:pointer; font-size:1rem; z-index:999; opacity:0; visibility:hidden; transform:translateY(16px); transition:var(--transition); box-shadow:0 4px 16px rgba(16,185,129,0.4); }
.back-to-top.visible { opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover { background:var(--primary-dark); transform:translateY(-4px); }

/* Animations */
.fade-in { opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* Responsive */
@media (max-width:1280px) {
    .pricing-grid { grid-template-columns:repeat(3,1fr); }
    .pricing-card.popular { transform:none; }
    .pricing-card.popular:hover { transform:translateY(-6px); }
}
@media (max-width:1024px) {
    .services-grid { grid-template-columns:repeat(2,1fr); }
    .tech-grid { grid-template-columns:repeat(4,1fr); }
    .hero h1 { font-size:3rem; }
}
@media (max-width:768px) {
    .nav-menu, .nav-right .nav-cta { display:none; }
    .hamburger { display:block; }
    .hero h1 { font-size:2.5rem; }
    .hero-stats { grid-template-columns:repeat(2,1fr); gap:24px; }
    .pricing-grid { grid-template-columns:repeat(2,1fr); }
    .why-grid { grid-template-columns:1fr; }
    .process-grid { grid-template-columns:repeat(2,1fr); }
    .contact-grid { grid-template-columns:1fr; gap:48px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
    .section-header h2 { font-size:2rem; }
    .tech-grid { grid-template-columns:repeat(3,1fr); }
}
@media (max-width:480px) {
    .hero h1 { font-size:2rem; }
    .pricing-grid { grid-template-columns:1fr; max-width:400px; margin-left:auto; margin-right:auto; }
    .services-grid { grid-template-columns:1fr; }
    .process-grid { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; }
    .form-row { grid-template-columns:1fr; }
    .tech-grid { grid-template-columns:repeat(2,1fr); }
    .hero-stats { grid-template-columns:repeat(2,1fr); gap:16px; }
    .footer-bottom { flex-direction:column; text-align:center; }
    .cta-buttons { flex-direction:column; align-items:center; }
}