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

:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --bg3: #1a1a2e;
  --surface: #1e1e32;
  --border: #2a2a44;
  --text: #e8e8f0;
  --text-muted: #8888aa;
  --accent: #6c5ce7;
  --accent-light: #a78bfa;
  --accent2: #00d4aa;
  --gradient: linear-gradient(135deg, #6c5ce7, #00d4aa);
  --gradient2: linear-gradient(135deg, #f093fb, #f5576c);
  --max-width: 1100px;
  --radius: 12px;
  --radius-sm: 8px;
}

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* === Navbar === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 14px 0;
  transition: 0.3s;
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-size: 1.5rem; font-weight: 900; text-decoration: none; color: var(--text);
  letter-spacing: -0.5px;
}
.logo-accent { color: var(--accent-light); }

.nav-links {
  display: flex; gap: 8px; list-style: none;
}
.nav-link {
  text-decoration: none; color: var(--text-muted); font-size: 0.9rem; font-weight: 500;
  padding: 8px 16px; border-radius: var(--radius-sm); transition: 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--bg3); }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px; transition: 0.3s;
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 60px; left: 0; right: 0;
    background: var(--bg2); flex-direction: column; padding: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: flex; }
}

/* === Hero === */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 120px 0 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(108,92,231,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(0,212,170,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { position: relative; text-align: center; }

.badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px;
  background: var(--gradient); color: #000; margin-bottom: 24px;
}
.badge-ghost {
  background: transparent; border: 1px solid var(--accent); color: var(--accent-light);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900; line-height: 1.1;
  letter-spacing: -2px; margin-bottom: 20px;
}
.gradient-text {
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-muted); max-width: 650px; margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-flex; align-items: center; padding: 14px 32px;
  border-radius: var(--radius); font-size: 0.95rem; font-weight: 600;
  text-decoration: none; cursor: pointer; transition: 0.25s; border: none;
}
.btn-primary {
  background: var(--gradient); color: #000;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,92,231,0.4); }
.btn-outline {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); }

.hero-stats {
  display: flex; gap: 48px; justify-content: center;
}
.stat { text-align: center; }
.stat-num {
  display: block; font-size: 1.8rem; font-weight: 800; color: var(--text);
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .hero-stats { gap: 24px; }
  .hide-mobile { display: none; }
}

/* === Sections === */
section { padding: 100px 0; }
.section-header {
  text-align: center; max-width: 650px; margin: 0 auto 56px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800;
  margin-bottom: 16px; letter-spacing: -1px;
}
.section-header p { color: var(--text-muted); font-size: 1rem; line-height: 1.7; }

/* === About === */
.about { background: var(--bg2); }
.about-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; transition: 0.3s;
}
.about-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.about-icon { font-size: 2rem; margin-bottom: 16px; }
.about-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.about-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }

/* === Services === */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  position: relative; transition: 0.3s;
  overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient); opacity: 0; transition: 0.3s;
}
.service-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 2rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.service-badge {
  display: inline-block; margin-top: 12px; padding: 4px 10px; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600; background: rgba(240,147,251,0.15); color: #f093fb;
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === Portfolio === */
.portfolio { background: var(--bg2); }
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.portfolio-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: 0.3s;
}
.portfolio-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.portfolio-img {
  height: 160px; display: flex; align-items: center; justify-content: center;
}
.portfolio-icon { font-size: 3rem; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)); }
.portfolio-body { padding: 24px; }
.portfolio-tag {
  display: inline-block; padding: 4px 10px; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600; background: rgba(108,92,231,0.15); color: var(--accent-light);
  margin-bottom: 10px;
}
.portfolio-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.portfolio-body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; }
.portfolio-link {
  color: var(--accent2); font-size: 0.85rem; font-weight: 500; text-decoration: none;
}
.portfolio-link:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === Blog === */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.blog-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; transition: 0.3s;
}
.blog-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.blog-tag {
  display: inline-block; padding: 4px 10px; border-radius: 6px;
  font-size: 0.75rem; font-weight: 600; background: rgba(0,212,170,0.15); color: var(--accent2);
  margin-bottom: 12px;
}
.blog-card h3 { font-size: 1rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; margin-bottom: 16px; }
.blog-date { font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === Contact === */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-item p { color: var(--text-muted); font-size: 0.9rem; }
.contact-form {
  display: flex; flex-direction: column; gap: 16px;
}
.contact-form input, .contact-form textarea {
  padding: 14px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-family: inherit; font-size: 0.9rem;
  transition: 0.2s; outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,92,231,0.2);
}
.contact-form textarea { resize: vertical; }

@media (max-width: 768px) {
  .contact-wrapper { grid-template-columns: 1fr; gap: 32px; }
}

/* === Footer === */
.footer {
  background: var(--bg2); border-top: 1px solid var(--border); padding-top: 60px;
}
.footer-content {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px;
  padding-bottom: 40px;
}
.footer-brand .logo { font-size: 1.3rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; }
.footer-links {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.footer-col h4 { font-size: 0.9rem; margin-bottom: 16px; color: var(--text); }
.footer-col a {
  display: block; color: var(--text-muted); text-decoration: none; font-size: 0.85rem;
  margin-bottom: 10px; transition: 0.2s;
}
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); text-align: center; }

@media (max-width: 768px) {
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { gap: 24px; }
}

/* === Animations === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content, .section-header { animation: fadeUp 0.8s ease-out; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }