/* Base styles */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: #0f172a;
    background: #0b1020;
}

:root{
    --bg: #0b1020;
    --card: #0f172a;
    --muted: #94a3b8;
    --primary: #6366f1;
    --primary-400:#818cf8;
    --ring: rgba(99,102,241,0.35);
    --border: #1f2937;
    --elev: 0 10px 30px rgba(0,0,0,0.35), 0 2px 6px rgba(2,6,23,0.35);
}

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

/* Containers */
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11,16,32,0.6);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; max-width: 1100px; margin: 0 auto; padding: 14px 20px; }
.nav-logo h2 { color: #e5e7eb; letter-spacing: 1px; margin: 0; }
.nav-menu { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; }
.nav-link { color: #cbd5e1; font-weight: 500; }
.nav-link:hover { color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger .bar { width: 22px; height: 2px; background: #cbd5e1; }

/* Hero */
.hero { padding: 96px 20px 64px; background: radial-gradient(1200px 500px at 70% -10%, rgba(99,102,241,0.25), transparent 60%), var(--bg); }
.hero-container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; max-width: 1100px; margin: 0 auto; }
.hero-title { font-size: 44px; line-height: 1.2; color: #e5e7eb; margin: 0 0 8px; }
.highlight { color: var(--primary-400); }
.hero-subtitle { color: #cbd5e1; margin: 0 0 14px; font-weight: 600; }
.hero-description { color: var(--muted); margin: 0 0 24px; }
.hero-buttons { display: flex; gap: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border); color: #e5e7eb; font-weight: 600; transition: transform .15s ease, box-shadow .2s ease, background .2s ease; }
.btn-primary { background: linear-gradient(180deg, var(--primary), #4f46e5); box-shadow: 0 8px 18px rgba(79,70,229,0.35); border-color: transparent; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 24px rgba(79,70,229,0.4); }
.btn-secondary { background: #0f172a; }
.btn-secondary:hover { background: #111827; transform: translateY(-1px); }

.hero-image { position: relative; }
.code-animation { background: #0a0f1f; border: 1px solid var(--border); border-radius: 14px; padding: 16px; color: #cbd5e1; box-shadow: var(--elev); }
.code-line { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; line-height: 1.6; }
.code-keyword { color: #60a5fa; }
.code-class { color: #f472b6; }
.code-property { color: #a78bfa; }
.code-string { color: #34d399; }

/* Section base */
section { padding: 80px 0; }
.section-title { color: #e5e7eb; font-size: 28px; margin: 0 0 24px; }

/* About */
.about-content { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; }
.about-text p { color: #cbd5e1; margin: 0 0 14px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; color: #e5e7eb; }
.stat h3 { margin: 0 0 6px; font-size: 22px; color: var(--primary-400); }
.profile-card { background: linear-gradient(180deg, #0f172a, #0b1020); border: 1px solid var(--border); border-radius: 16px; padding: 18px; color: #cbd5e1; box-shadow: var(--elev); }
.profile-avatar { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: #111827; border: 1px solid var(--border); color: #94a3b8; font-size: 24px; }
.profile-details { display: grid; gap: 10px; margin-top: 14px; }
.profile-details .detail { display: flex; align-items: center; gap: 10px; color: #94a3b8; }

/* Skills */
.skills { background: radial-gradient(800px 400px at 30% -20%, rgba(8,145,178,0.18), transparent 60%), var(--bg); }
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-category { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; color: #cbd5e1; }
.skill-category h3 { margin: 0 0 10px; color: #e5e7eb; }
.skill-items { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.skill-item { display: flex; align-items: center; gap: 8px; background: #0b1228; border: 1px solid var(--border); border-radius: 10px; padding: 10px; color: #cbd5e1; }
.skill-item i { color: var(--primary-400); }

/* Projects */
.projects { background: var(--bg); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-card { background: linear-gradient(180deg, #0f172a, #0b1020); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; color: #cbd5e1; transition: transform .15s ease, box-shadow .2s ease; box-shadow: var(--elev); }
.project-card:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(0,0,0,0.45); }
.project-image { display: grid; place-items: center; padding: 26px; background: #0b1228; border-bottom: 1px solid var(--border); font-size: 30px; color: var(--primary-400); }
.project-content { padding: 16px; }
.project-content h3 { margin: 0 0 8px; color: #e5e7eb; }
.project-content p { margin: 0 0 12px; color: #94a3b8; }
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.project-tech span { font-size: 12px; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--border); background: #0b1228; color: #cbd5e1; }
.project-links { display: flex; gap: 12px; }
.project-link { color: #cbd5e1; display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: #0b1228; }
.project-link:hover { border-color: var(--primary); color: #fff; box-shadow: 0 0 0 3px var(--ring) inset; }

/* Contact */
.contact { background: radial-gradient(900px 400px at 80% -10%, rgba(244,114,182,0.14), transparent 60%), var(--bg); }
.contact-content { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; }
.contact-info h3 { margin: 0 0 8px; color: #e5e7eb; }
.contact-info p { color: #94a3b8; }
.contact-details { display: grid; gap: 10px; margin: 16px 0; }
.contact-item { display: flex; gap: 12px; align-items: center; color: #cbd5e1; }
.social-links { display: flex; gap: 10px; }
.social-link { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--border); background: #0b1228; color: #cbd5e1; }
.social-link:hover { border-color: var(--primary); color: #fff; box-shadow: 0 0 0 3px var(--ring) inset; }
.contact-form form { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.form-group { margin-bottom: 12px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0b1228;
    color: #e5e7eb;
    outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }

/* Footer */
.footer { border-top: 1px solid var(--border); background: #0b1020; }
.footer p { color: #94a3b8; text-align: center; margin: 0; padding: 22px 0; }

/* Responsive */
@media (max-width: 900px) {
    .hero-container, .about-content, .contact-content { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .skill-items { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .projects-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .nav-menu { position: fixed; inset: 56px 0 auto 0; background: rgba(11,16,32,0.95); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); flex-direction: column; align-items: center; gap: 16px; padding: 16px 0; transform: translateY(-120%); transition: transform .2s ease; }
    .nav-menu.active { transform: translateY(0); }
    .hamburger { display: flex; }
    .hero { padding-top: 80px; }
    .hero-container { grid-template-columns: 1fr; }
    .hero-title { font-size: 34px; }
    .projects-grid { grid-template-columns: 1fr; }
}