:root{
  --bg: #fbfdff;
  --card: #ffffff;
  --text: #0f1724;
  --muted: #6b7280;
  --primary: #1e88ff; /* softer, modern blue */
  --glass: rgba(255,255,255,0.7);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(18,28,45,0.06);
  --ease: 340ms cubic-bezier(.2,.9,.3,1);
}
[data-theme="dark"]{
  --bg: linear-gradient(180deg,#041025,#061426);
  --card: #071024;
  --text: #e6eef8;
  --muted: #9ca3af;
  --primary: #4ea0ff;
  --glass: rgba(255,255,255,0.02);
  --shadow: 0 12px 40px rgba(2,6,23,0.6);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition: background var(--ease), color var(--ease);
}
/* Layout container with subtle inner glow */
.container{max-width:1100px;margin:0 auto;padding:28px}
header{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px}
.logo{width:60px;height:60px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#7cc1ff);display:flex;align-items:center;justify-content:center;color:white;font-weight:800;box-shadow:var(--shadow);font-size:1.15rem}
.title{font-size:1.125rem;font-weight:700}
.subtitle{font-size:0.95rem;color:var(--muted)}
nav{display:flex;align-items:center;gap:12px}
.btn{background:transparent;border:1px solid transparent;padding:10px 14px;border-radius:12px;cursor:pointer;color:var(--text);transition:transform var(--ease), box-shadow var(--ease);font-weight:600}
.btn:focus{outline:3px solid color-mix(in srgb,var(--primary) 28%, transparent);outline-offset:3px}
.btn.ghost{background:transparent}
.btn.primary{background:linear-gradient(90deg,var(--primary),color-mix(in srgb,var(--primary) 70%, #7cc1ff));color:white;box-shadow:0 12px 30px rgba(30,136,255,0.14);transform:translateY(0)}
.btn.primary:hover{transform:translateY(-4px)}
.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:6px;border-radius:999px;border:1px solid rgba(0,0,0,0.06);background:var(--glass);backdrop-filter:blur(6px)}
main{margin-top:28px}
.hero{display:grid;grid-template-columns:1fr;gap:18px;align-items:center;padding:34px;border-radius:calc(var(--radius) + 2px);background:linear-gradient(180deg, color-mix(in srgb, var(--card) 85%, transparent), transparent);box-shadow:var(--shadow);margin-bottom:12px}
.hero h1{margin:0;font-size:2rem;letter-spacing:-0.5px}
.hero p{margin:0;color:var(--muted);font-size:1.02rem}

/* Simple hero grid */
.hero-grid{display:flex;align-items:center;justify-content:space-between;gap:28px}
.hero-left{flex:1}
.hero-right{width:120px;display:flex;align-items:center;justify-content:center}
.avatar{width:110px;height:110px;border-radius:16px;background:linear-gradient(135deg,var(--primary),#7cc1ff);display:flex;align-items:center;justify-content:center;color:white;font-weight:800;font-size:1.6rem;box-shadow:0 18px 50px rgba(30,136,255,0.12)}
/* hero decorative svg */
.hero-decor{border-radius:12px;box-shadow:0 18px 40px rgba(30,136,255,0.06);}
section{margin-top:28px}
h2{margin:0 0 14px 0;font-size:1.125rem;color:var(--primary)}
.card-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px}
.card{background:var(--card);border-radius:12px;padding:18px;border:1px solid rgba(15,23,36,0.04);box-shadow:var(--shadow);transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease)}
.card:hover{transform:translateY(-8px);box-shadow:0 28px 60px rgba(2,6,23,0.12);border-color:rgba(30,136,255,0.08)}
.card h3{margin:0 0 8px 0}
.muted{color:var(--muted)}

/* Ensure text and interactive elements follow theme variables */
.container, main, section, header, footer { color: var(--text); }
.card, .logo { background-color: var(--card); }
.card p, .card h3, .title, .subtitle { color: var(--text); }

/* Nav links and active state */
.nav-link { color: var(--text); opacity: 0.85; }
.nav-link.active, .nav-link:hover { color: var(--primary); opacity: 1; }

/* Buttons */
.btn { color: var(--text); }
.btn.primary, .btn.btn-primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn-outline-primary, .btn.btn-outline-primary { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 30%, var(--muted)); }
.btn-outline-secondary { color: var(--text); border-color: rgba(255,255,255,0.08); }

/* Make SVG icons inherit text color */
/* Make SVG icons inherit text color */
svg { color: inherit; fill: currentColor; stroke: currentColor; }

/* Brand color hints for social icons */
.social-card svg { opacity: 0.98 }
.social-card[href*="instagram"] svg, .social-card[href*="instagram"] svg * { color: #E1306C; fill: #E1306C }
.social-card[href*="github"] svg, .social-card[href*="github"] svg * { color: #24292e; fill: #24292e }
.social-card[href*="linkedin"] svg, .social-card[href*="linkedin"] svg * { color: #0A66C2; fill: #0A66C2 }
.email-card svg, .email-card svg * { color: var(--primary); fill: var(--primary) }
/* Ensure strokes also inherit color so icons with stroke-only remain visible */
.social-card svg path, .social-card svg circle, .social-card svg rect { stroke: currentColor; fill: currentColor }

/* Ensure links use primary color */
a { color: var(--primary); }

/* Typing effect */
#typing{font-weight:700;color:var(--primary);display:inline-block;min-width:140px}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease), transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* Project hover overlay */
.card .overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(37,99,235,0.08), rgba(0,0,0,0.05));opacity:0;border-radius:inherit;transition:opacity var(--ease)}
.card:hover .overlay{opacity:1}
.card.position-relative{position:relative}

/* FAB */
.fab{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;box-shadow:0 12px 30px rgba(37,99,235,0.18);cursor:pointer;font-size:20px}
.back-to-top{position:fixed;right:20px;bottom:90px;width:44px;height:44px;border-radius:8px;background:var(--card);color:var(--text);border:1px solid rgba(0,0,0,0.05);display:none;align-items:center;justify-content:center;cursor:pointer}
.back-to-top.show{display:flex}


.projects-grid{display:grid;grid-template-columns:1fr;gap:16px}
.project-card{display:flex;flex-direction:column;gap:12px}
.project-card .meta{display:flex;align-items:center;justify-content:space-between}
.project-links{display:flex;gap:8px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px;border-radius:8px;background:transparent;border:1px solid transparent;cursor:pointer}
footer{margin-top:40px;padding:20px 0;color:var(--muted);text-align:center}
.socials{display:flex;gap:12px;align-items:center}
.socials a{display:inline-flex;align-items:center;gap:8px;padding:8px;border-radius:8px;color:var(--text);text-decoration:none}
.socials a svg{width:20px;height:20px}
/* Social card style for contact section */
.social-card{color:inherit}
.social-card .h6{font-size:1rem}
.social-card svg{width:44px;height:44px;flex:0 0 44px}
.social-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(2,6,23,0.08);}
.social-card .muted{opacity:0.85}
.card.p-3.d-flex{min-height:72px}

/* Dark theme tweaks for social cards */
[data-theme="dark"] .social-card{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.03);}
[data-theme="dark"] .social-card .muted{color:var(--muted)}
[data-theme="dark"] .social-card svg{opacity:0.98}
.social-card:focus{outline:3px solid color-mix(in srgb,var(--primary) 24%, transparent);outline-offset:4px}
@media(min-width:720px){.hero{grid-template-columns:1fr 360px}.card-grid{grid-template-columns:repeat(2,1fr)}.projects-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.container{padding:32px}.hero p{font-size:1.05rem}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* header divider */
.container > header + main { padding-top:6px }
.container header { border-bottom: 1px solid rgba(15,23,36,0.04); padding-bottom:12px; margin-bottom:8px }

/* subtle underline animation for links */
.nav-link { position: relative; overflow: visible }
.nav-link::after{ content:''; position:absolute; left:0; right:0; bottom:-6px; height:3px; background: linear-gradient(90deg,var(--primary), color-mix(in srgb,var(--primary) 70%, #7cc1ff)); transform: scaleX(0); transform-origin:left; transition:transform var(--ease) }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1) }

/* Form tweaks */
.form-label{font-weight:600}
.form-control{border-radius:10px}

/* Ensure form controls readable in dark theme */
[data-theme="dark"] .form-control{background:#071427;color:var(--text);border:1px solid rgba(255,255,255,0.06)}
[data-theme="dark"] .card{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.03)}
[data-theme="dark"] .modal-panel{background:#071427;color:var(--text);box-shadow:0 24px 60px rgba(4,8,20,0.7)}
[data-theme="dark"] .back-to-top{background:rgba(255,255,255,0.06);color:var(--text)}

/* back to top and fab tweaks */
.fab{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:14px;background:var(--primary);color:white;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 40px rgba(30,136,255,0.16);cursor:pointer}
.back-to-top{position:fixed;right:20px;bottom:90px;width:44px;height:44px;border-radius:10px;background:rgba(0,0,0,0.6);color:white;border:none;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(6px);transition:opacity var(--ease), transform var(--ease)}
.back-to-top.show{opacity:1;transform:translateY(0)}

/* overlay for cards (subtle) */
.overlay{position:absolute;inset:0;border-radius:12px;pointer-events:none;background:linear-gradient(180deg, transparent, rgba(0,0,0,0.03));opacity:0;transition:opacity var(--ease)}
.card:hover .overlay{opacity:1}

/* small responsive tweaks */
@media (max-width:768px){
  .hero-grid{flex-direction:column;align-items:flex-start}
  .hero-right{width:100%}
  .avatar{width:96px;height:96px}
}

/* Modal styles */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:1200}
.modal[aria-hidden="false"]{display:flex}
.modal-backdrop{position:absolute;inset:0;background:linear-gradient(180deg, rgba(2,6,23,0.6), rgba(2,6,23,0.4));backdrop-filter:blur(2px)}
.modal-panel{position:relative;z-index:2;background:var(--card);color:var(--text);border-radius:12px;padding:20px;max-width:640px;width:94%;box-shadow:0 20px 60px rgba(2,6,23,0.2)}
.modal-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:22px;color:var(--muted);cursor:pointer}
.modal h3{margin-top:0}