/* =============================================
   TechDile CMS - Dark/Light Theme System
   ============================================= */

/* === THEME VARIABLES === */
:root, [data-theme="dark"] {
    --bg-primary: #0a1628;
    --bg-secondary: #0b1829;
    --bg-card: #0f1f3a;
    --bg-footer: #060e1a;
    --bg-input: #0a1628;
    --border: #1a2f4a;
    --border-hover: rgba(10,124,255,.3);
    --text-primary: #fff;
    --text-body: #c8d6e5;
    --text-muted: #7a8ba8;
    --text-faint: #5a6a7a;
    --text-footer: #3a4a5a;
    --accent: #0a7cff;
    --accent-light: #00d4ff;
    --accent-glow: rgba(10,124,255,.25);
    --accent-bg: rgba(10,124,255,.08);
    --accent-bg2: rgba(10,124,255,.1);
    --accent-border: rgba(10,124,255,.15);
    --accent-tag: #5ac8fa;
    --success: #34c759;
    --navbar-bg: rgba(10,22,40,.95);
    --hero-grad1: rgba(10,124,255,.12);
    --hero-grad2: rgba(0,212,255,.08);
    --shadow-card: 0 10px 40px rgba(10,124,255,.1);
    --shadow-btn: 0 4px 15px rgba(10,124,255,.25);
    --toggle-bg: #1a2f4a;
}

[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #edf0f5;
    --bg-card: #ffffff;
    --bg-footer: #1a1a2e;
    --bg-input: #f0f3f8;
    --border: #dde2ea;
    --border-hover: rgba(10,124,255,.25);
    --text-primary: #1a1a2e;
    --text-body: #4a5568;
    --text-muted: #64748b;
    --text-faint: #94a3b8;
    --text-footer: #94a3b8;
    --accent: #0a7cff;
    --accent-light: #0066dd;
    --accent-glow: rgba(10,124,255,.15);
    --accent-bg: rgba(10,124,255,.05);
    --accent-bg2: rgba(10,124,255,.08);
    --accent-border: rgba(10,124,255,.12);
    --accent-tag: #0a7cff;
    --success: #22c55e;
    --navbar-bg: rgba(255,255,255,.92);
    --hero-grad1: rgba(10,124,255,.06);
    --hero-grad2: rgba(0,212,255,.04);
    --shadow-card: 0 4px 20px rgba(0,0,0,.06);
    --shadow-btn: 0 4px 15px rgba(10,124,255,.2);
    --toggle-bg: #e2e8f0;
}

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; background: var(--bg-primary); color: var(--text-body); line-height: 1.7; -webkit-font-smoothing: antialiased; transition: background .35s ease, color .35s ease; }
a { color: var(--accent); text-decoration: none; transition: .3s; }
a:hover { color: var(--accent-light); }
img { max-width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; }
.text-center { text-align: center; }
.gradient-text { background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: all .3s; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, #0a7cff, #0066dd); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(10,124,255,.35); color: #fff; }
.btn-outline { border: 2px solid var(--border); color: var(--text-primary); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

/* === THEME TOGGLE === */
.theme-toggle { width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border); background: var(--toggle-bg); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .3s; flex-shrink: 0; }
.theme-toggle:hover { border-color: var(--accent); transform: scale(1.08); }
.theme-toggle svg { transition: transform .4s; }
.theme-toggle:hover svg { transform: rotate(25deg); }
.theme-icon-sun, .theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="light"] .theme-icon-moon { display: block; }
.nav-right { display: flex; align-items: center; gap: 10px; }

/* === NAVBAR === */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 15px 0; transition: all .3s; }
.navbar.scrolled { background: var(--navbar-bg); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); padding: 10px 0; }
[data-theme="light"] .navbar.scrolled { box-shadow: 0 1px 10px rgba(0,0,0,.06); }
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text-primary); font-size: 20px; font-weight: 700; }
.logo img { height: 38px; border-radius: 6px; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-link { color: var(--text-muted); font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 8px; transition: .3s; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--accent-bg); }
.nav-cta { display: none; }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 22px; cursor: pointer; }

/* === HERO === */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, var(--hero-grad1) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, var(--hero-grad2) 0%, transparent 50%); }
.hero-content { position: relative; text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge { display: inline-block; padding: 8px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; background: var(--accent-bg2); border: 1px solid var(--accent-border); color: var(--accent-tag); margin-bottom: 24px; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); font-weight: 800; color: var(--text-primary); line-height: 1.15; margin-bottom: 20px; }
.hero-sub { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto 35px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats { display: flex; justify-content: center; gap: 50px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; align-items: center; }
.hero-stat-icon { font-size: 24px; margin-bottom: 4px; }
.hero-stat-num { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.hero-stat-label { font-size: 13px; color: var(--text-faint); }

/* === SECTIONS === */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align: center; max-width: 650px; margin: 0 auto 55px; }
.section-badge { display: inline-block; padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; background: var(--accent-bg2); border: 1px solid var(--accent-border); color: var(--accent-tag); margin-bottom: 16px; }
.section-header h2 { font-size: 38px; font-weight: 800; color: var(--text-primary); margin-bottom: 14px; }
.section-header p { color: var(--text-muted); font-size: 17px; }

/* === ABOUT === */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-bottom: 50px; }
.about-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: .3s; }
.about-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.about-icon { font-size: 36px; margin-bottom: 16px; }
.about-card h3 { color: var(--text-primary); font-size: 20px; margin-bottom: 10px; }
.tech-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 40px; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 25px; }
.tech-category h4 { color: var(--accent-tag); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tag { padding: 6px 14px; border-radius: 8px; font-size: 13px; background: var(--accent-bg); border: 1px solid var(--accent-border); color: var(--text-body); }

/* === TEAM === */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.team-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 30px; text-align: center; transition: .3s; }
.team-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.team-avatar { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, #0a7cff, #00d4ff); display: flex; align-items: center; justify-content: center; font-size: 28px; font-weight: 700; color: #fff; margin: 0 auto 16px; }
.team-card h4 { color: var(--text-primary); font-size: 18px; margin-bottom: 4px; }
.team-role { color: var(--accent); font-size: 14px; display: block; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.team-social { display: flex; justify-content: center; gap: 12px; }
.team-social a { width: 36px; height: 36px; border-radius: 8px; background: var(--accent-bg2); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.team-social a:hover { background: var(--accent); color: #fff; }

/* === SERVICES === */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.service-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: .3s; }
.service-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-card); }
.service-icon { font-size: 36px; margin-bottom: 16px; color: var(--accent); }
.service-card h3 { color: var(--text-primary); font-size: 20px; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.service-tags span { padding: 4px 10px; border-radius: 6px; font-size: 11px; background: var(--accent-bg); color: var(--accent-tag); }

/* === PORTFOLIO === */
.filter-bar { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 8px 20px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--text-muted); font-size: 14px; cursor: pointer; transition: .3s; }
.filter-btn:hover, .filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 24px; }
.project-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: .3s; }
.project-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow-card); }
.project-card.hidden { display: none; }
.project-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.project-card h3 { color: var(--text-primary); font-size: 22px; }
.project-category { color: var(--accent-tag); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 6px; background: var(--accent-bg); white-space: nowrap; }
.project-meta { display: flex; gap: 20px; margin-bottom: 12px; font-size: 13px; color: var(--text-faint); }
.project-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.project-tech span { padding: 4px 10px; border-radius: 6px; font-size: 11px; background: var(--accent-bg); color: var(--accent-tag); }
.project-results { display: flex; flex-wrap: wrap; gap: 8px; }
.result-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-body); padding: 4px 12px; border-radius: 6px; background: rgba(52,199,89,.06); border: 1px solid rgba(52,199,89,.12); }

/* === TESTIMONIALS === */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: .3s; }
.testimonial-card:hover { border-color: var(--border-hover); }
.testimonial-stars { color: #ffcc00; font-size: 14px; margin-bottom: 12px; }
.testimonial-card blockquote { font-size: 15px; color: var(--text-body); line-height: 1.6; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, #0a7cff, #00d4ff); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: #fff; }
.testimonial-author strong { color: var(--text-primary); font-size: 14px; display: block; }
.testimonial-author small { color: var(--text-faint); font-size: 12px; }

/* === BLOG === */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.blog-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: .3s; }
.blog-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.blog-category { display: inline-block; padding: 4px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--accent-bg2); color: var(--accent-tag); margin-bottom: 12px; }
.blog-card h3 { color: var(--text-primary); font-size: 20px; margin-bottom: 10px; }
.blog-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }
.blog-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-faint); }

/* === PRICING === */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; max-width: 1000px; margin: 0 auto; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; text-align: center; position: relative; transition: .3s; }
.pricing-card:hover { transform: translateY(-4px); }
.pricing-popular { border-color: var(--accent); box-shadow: 0 0 40px rgba(10,124,255,.15); }
.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, #0a7cff, #00d4ff); color: #fff; padding: 4px 20px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.pricing-card h3 { color: var(--text-primary); font-size: 22px; margin-bottom: 16px; }
.price-amount { font-size: 42px; font-weight: 800; color: var(--text-primary); }
.price-period { display: block; color: var(--text-faint); font-size: 14px; margin-bottom: 16px; }
.pricing-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 28px; }
.pricing-features li { padding: 8px 0; font-size: 14px; color: var(--text-body); border-bottom: 1px solid var(--border); }
.pricing-features li svg { margin-right: 8px; }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.faq-question { width: 100%; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; background: none; border: none; color: var(--text-primary); font-size: 16px; font-weight: 600; cursor: pointer; text-align: left; }
.faq-question svg { transition: .3s; color: var(--accent); }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 24px 20px; color: var(--text-muted); line-height: 1.7; }

/* === CAREERS === */
.jobs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 24px; }
.job-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: .3s; }
.job-card:hover { border-color: var(--border-hover); }
.job-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; gap: 12px; }
.job-card h3 { color: var(--text-primary); font-size: 20px; }
.job-salary { color: var(--success); font-size: 14px; font-weight: 600; white-space: nowrap; }
.job-tags { display: flex; gap: 15px; margin-bottom: 12px; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; }
.job-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.job-requirements { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.req-tag { padding: 4px 12px; border-radius: 6px; font-size: 12px; background: var(--accent-bg); border: 1px solid var(--accent-border); color: var(--accent-tag); }

/* === CONTACT === */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.contact-form-wrap, .contact-info { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; }
.contact-form-wrap h3, .contact-info h3 { color: var(--text-primary); font-size: 22px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; color: var(--text-muted); font-size: 13px; margin-bottom: 6px; font-weight: 500; }
.contact-form input, .contact-form textarea, .contact-form select,
.project-request-box input, .project-request-box textarea, .project-request-box select { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-input); color: var(--text-primary); font-size: 14px; font-family: inherit; outline: none; transition: .2s; }
.contact-form input:focus, .contact-form textarea:focus,
.project-request-box input:focus, .project-request-box textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(10,124,255,.1); }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-item .ci-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--accent-bg2); color: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item strong { color: var(--text-primary); display: block; margin-bottom: 2px; }
.contact-item a { color: var(--text-muted); }
.contact-item div { font-size: 14px; color: var(--text-muted); }
.project-request-box { background: var(--bg-input); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-top: 30px; }
.project-request-box h4 { color: var(--text-primary); margin-bottom: 16px; }
.form-status { margin-top: 12px; padding: 10px 16px; border-radius: 8px; font-size: 14px; display: none; }
.form-status.success { display: block; background: rgba(52,199,89,.1); border: 1px solid rgba(52,199,89,.25); color: var(--success); }
.form-status.error { display: block; background: rgba(255,59,48,.1); border: 1px solid rgba(255,59,48,.25); color: #ff6b6b; }

/* === NEWSLETTER === */
.newsletter-form { display: flex; gap: 8px; margin-top: 12px; }
.newsletter-form input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-input); color: var(--text-primary); font-size: 14px; outline: none; }
.newsletter-form .btn { padding: 10px 16px; font-size: 13px; }

/* === FOOTER === */
.footer { background: var(--bg-footer); border-top: 1px solid var(--border); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; margin-bottom: 50px; }
.footer-brand h3 { color: #fff; font-size: 22px; margin-bottom: 12px; }
.footer-brand p { color: var(--text-footer); font-size: 14px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(15,31,58,.8); border: 1px solid rgba(26,47,74,.6); color: #7a8ba8; display: flex; align-items: center; justify-content: center; transition: .3s; }
.footer-social a:hover { background: #0a7cff; color: #fff; border-color: #0a7cff; }
.footer-grid h4 { color: #e0e6ed; font-size: 16px; margin-bottom: 16px; }
.footer-grid > div > a { display: block; color: var(--text-footer); font-size: 14px; padding: 4px 0; transition: .2s; }
.footer-grid > div > a:hover { color: var(--accent); }
.footer-grid > div > p { color: var(--text-footer); font-size: 14px; margin-bottom: 8px; }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(26,47,74,.6); }
.footer-bottom p { color: var(--text-footer); font-size: 14px; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--navbar-bg); backdrop-filter: blur(20px); flex-direction: column; justify-content: center; align-items: center; gap: 0; z-index: 999; }
    .nav-links.open { display: flex; }
    .nav-link { font-size: 20px; padding: 16px; }
    .mobile-toggle { display: block; z-index: 1001; }
    .nav-cta { display: none !important; }
    .hero h1 { font-size: 32px; }
    .hero-stats { gap: 30px; }
    .section { padding: 70px 0; }
    .section-header h2 { font-size: 28px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .jobs-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .theme-toggle { width: 38px; height: 38px; border-radius: 10px; }
}
@media (max-width: 600px) {
    .hero-stats { flex-direction: column; gap: 20px; }
    .hero-stat { flex-direction: row; gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
}