/* ===== RESET & ROOT ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #0a1628;
  --card: #1a2744;
  --accent: #38bdf8;
  --accent2: #818cf8;
  --accent-glow: rgba(56,189,248,.18);
  --text: #f8fafc;
  --sub: #94a3b8;
  --muted: #64748b;
  --border: rgba(255,255,255,.07);
  --radius: 14px;
  --shadow: 0 8px 32px rgba(0,0,0,.4);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--sub); }

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== LAYOUT ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px; font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: all .25s ease; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  color: #0f172a;
  box-shadow: 0 0 24px rgba(56,189,248,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 36px rgba(56,189,248,.5); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* ===== BADGE ===== */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.25);
  color: var(--accent); padding: 6px 16px; border-radius: 50px;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 20px;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: all .3s ease;
}
nav.scrolled {
  background: rgba(15,23,42,.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800;
}
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: #0f172a;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: .9rem; font-weight: 500; color: var(--sub); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }
.mobile-menu {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 999; padding: 100px 32px 32px;
  flex-direction: column; gap: 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.4rem; font-weight: 600; color: var(--sub); padding: 12px 0; border-bottom: 1px solid var(--border); }
.mobile-menu a:hover { color: var(--accent); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(56,189,248,.12) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 90% 50%, rgba(129,140,248,.08) 0%, transparent 60%);
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-content h1 { margin-bottom: 24px; }
.hero-content p { font-size: 1.15rem; margin-bottom: 40px; max-width: 600px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.stat-item { }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1; }
.stat-num span { color: var(--accent); }
.stat-label { font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ===== CARDS ===== */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: all .3s ease;
}
.card:hover {
  border-color: rgba(56,189,248,.3);
  box-shadow: 0 0 32px rgba(56,189,248,.08);
  transform: translateY(-4px);
}
.card-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.service-card h3 { margin: 16px 0 10px; }
.service-card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.service-card ul li { color: var(--sub); font-size: .9rem; display: flex; align-items: center; gap: 8px; }
.service-card ul li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

/* ===== FEATURES GRID ===== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.project-card { overflow: hidden; padding: 0; }
.project-thumb {
  height: 200px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.project-body { padding: 24px; }
.project-body h3 { margin-bottom: 8px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.15);
  color: var(--accent); padding: 4px 12px; border-radius: 50px; font-size: .75rem; font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card { display: flex; flex-direction: column; gap: 20px; }
.stars { color: #fbbf24; font-size: 1rem; letter-spacing: 2px; }
.testimonial-card blockquote { color: var(--sub); font-style: italic; line-height: 1.7; flex: 1; }
.author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: #0f172a; flex-shrink: 0;
}
.author-name { font-weight: 600; font-size: .95rem; }
.author-role { font-size: .82rem; color: var(--muted); }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-visual {
  position: relative; height: 460px;
  background: linear-gradient(135deg, rgba(56,189,248,.05), rgba(129,140,248,.05));
  border: 1px solid var(--border); border-radius: 20px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.about-circles {
  position: absolute; inset: 0; pointer-events: none;
}
.circle {
  position: absolute; border-radius: 50%; border: 1px solid;
  animation: spin linear infinite;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.about-badge {
  position: absolute; background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 20px; font-weight: 600;
}
.about-text h2 { margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; }
.values-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.value-item { display: flex; align-items: flex-start; gap: 14px; }
.value-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-top: 6px; flex-shrink: 0; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 16px; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.2);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.contact-item-text strong { display: block; font-size: .9rem; margin-bottom: 2px; }
.contact-item-text span { font-size: .85rem; color: var(--sub); }

.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--sub); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; color: var(--text); font-size: .95rem; font-family: inherit;
  transition: border-color .2s;
  width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--bg2); }
.form-submit { width: 100%; justify-content: center; border-radius: 10px; padding: 16px; font-size: 1rem; }
.form-success { display: none; text-align: center; padding: 20px; color: var(--accent); font-weight: 600; }

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(56,189,248,.06), rgba(129,140,248,.06));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.cta-section h2 { margin-bottom: 16px; }
.cta-section p { margin-bottom: 40px; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg3); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { margin-top: 16px; font-size: .9rem; max-width: 280px; }
.footer-col h4 { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: .9rem; color: var(--sub); transition: color .2s; }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 32px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: .85rem; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(56,189,248,.1) 0%, transparent 70%);
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .nav-links, .nav-cta .btn-outline { display: none; }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-visual { height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
}

/* ===== ANIMATIONS ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }