/* ========================================
   SANJAY SETH - Personal Brand Theme
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Merriweather:wght@300;400;700&display=swap');

:root {
  --bg: #f8f9fc;
  --bg-alt: #eef0f5;
  --bg-card: #ffffff;
  --primary: #1a1a2e;
  --accent: #ff6b00;
  --accent-glow: rgba(255,107,0,.15);
  --gradient: linear-gradient(135deg, #ff6b00, #ff2d55);
  --text: #1a1a2e;
  --text-secondary: #555577;
  --text-muted: #8888aa;
  --border: #e5e7ed;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.08);
  --font: 'Inter', sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --nav-h: 72px;
  --max-w: 1100px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin-bottom:10px}
.section-header p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:8px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .3s;border:none;font-family:var(--font)}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 16px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,0,.25)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);background:var(--accent-glow)}
.btn-sm{padding:8px 18px;font-size:.82rem}
.btn-lg{padding:14px 32px;font-size:1rem}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:1000;background:rgba(248,249,252,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:all .3s}
.navbar.scrolled{background:rgba(248,249,252,.97);box-shadow:0 2px 20px rgba(0,0,0,.06)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{font-size:1.15rem;font-weight:800;color:var(--primary)}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--text-secondary);transition:color .3s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--gradient);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:14px}
.hamburger{display:none;background:none;border:none;color:var(--primary);font-size:1.5rem;cursor:pointer}

/* HERO */
.hero{min-height:85vh;display:flex;align-items:center;padding-top:var(--nav-h);position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 80% 20%,rgba(255,107,0,.04) 0%,transparent 50%),radial-gradient(ellipse at 20% 80%,rgba(26,26,46,.03) 0%,transparent 50%);pointer-events:none}
.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:40px 24px;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:100px;font-size:.75rem;font-weight:600;background:var(--accent-glow);color:var(--accent);border:1px solid rgba(255,107,0,.15);margin-bottom:20px}
.hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15;margin-bottom:16px}
.hero h1 em{font-style:normal;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.05rem;color:var(--text-secondary);line-height:1.8;margin-bottom:24px;max-width:500px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-tags span{padding:4px 12px;background:var(--bg-alt);border-radius:6px;font-size:.8rem;color:var(--text-secondary);font-weight:500}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{width:320px;height:320px;border-radius:50%;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;margin:0 auto;overflow:hidden;border:4px solid #fff;box-shadow:var(--shadow-lg)}
.hero-photo i{font-size:5rem;color:var(--text-muted)}

/* SECTION */
.section{padding:80px 0}
.section.alt{background:var(--bg-alt)}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.about-text h2{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:700;margin-bottom:16px;line-height:1.3}
.about-text p{color:var(--text-secondary);font-size:1rem;line-height:1.9;margin-bottom:14px}
.timeline{border-left:3px solid var(--accent);padding-left:24px;margin-top:24px}
.timeline-item{margin-bottom:24px;position:relative}
.timeline-item::before{content:'';position:absolute;left:-31px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid var(--bg)}
.timeline-item .year{font-size:.8rem;font-weight:700;color:var(--accent);margin-bottom:4px}
.timeline-item h4{font-size:.95rem;font-weight:600;margin-bottom:4px}
.timeline-item p{font-size:.85rem;color:var(--text-muted);line-height:1.5}

/* BLOG CARDS */
.blog-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.blog-card{padding:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.blog-card .tag{display:inline-block;padding:3px 10px;border-radius:4px;font-size:.7rem;font-weight:600;background:var(--accent-glow);color:var(--accent);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.blog-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px;line-height:1.4}
.blog-card h3 a{transition:color .3s}
.blog-card h3 a:hover{color:var(--accent)}
.blog-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}
.blog-meta{font-size:.78rem;color:var(--text-muted);display:flex;gap:16px}
.blog-meta i{margin-right:4px}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}
.stat-number{font-size:2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.82rem;color:var(--text-muted);margin-top:4px}

/* SPEAKING */
.talk-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.talk-card{padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s;display:flex;gap:16px;align-items:flex-start}
.talk-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.talk-icon{width:44px;height:44px;min-width:44px;background:var(--accent-glow);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1.1rem}
.talk-card h4{font-size:.95rem;font-weight:600;margin-bottom:4px}
.talk-card .event{font-size:.82rem;color:var(--text-muted);margin-bottom:4px}
.talk-card .date{font-size:.78rem;color:var(--accent);font-weight:500}

/* CONTACT */
.contact-form{max-width:600px;margin:0 auto;padding:36px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:6px;color:var(--text-secondary)}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.92rem;font-family:var(--font);transition:border-color .3s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group textarea{min-height:120px;resize:vertical}

/* CTA */
.cta{padding:70px 0}
.cta-box{text-align:center;padding:50px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.cta-box h2{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:700;margin-bottom:10px}
.cta-box p{font-size:1rem;color:var(--text-secondary);margin-bottom:24px}

/* FOOTER */
.footer{background:var(--primary);color:#fff;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:36px}
.footer-brand p{color:rgba(255,255,255,.5);font-size:.88rem;margin-top:12px;line-height:1.6}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);border-radius:8px;color:rgba(255,255,255,.5);transition:all .3s}
.footer-social a:hover{background:var(--accent);color:#fff}
.footer-col h4{font-size:.95rem;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:.85rem;color:rgba(255,255,255,.5);transition:color .3s}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{padding:18px 0;border-top:1px solid rgba(255,255,255,.08);text-align:center}
.footer-bottom p{font-size:.82rem;color:rgba(255,255,255,.3)}

/* RESPONSIVE */
@media(max-width:1024px){
  .hero-container,.about-grid{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin:0 auto 24px}
  .hero-tags{justify-content:center}
  .hero-actions{justify-content:center}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(248,249,252,.98);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .hamburger{display:block}
  .nav-actions .btn{display:none}
  .blog-grid,.talk-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .hero-photo{width:200px;height:200px}
}