/* ==========================================================================
   MD MAMUNUR RASID (mamunur.com) — EXECUTIVE PORTFOLIO STYLES
   ========================================================================== */
:root {
  --bg-main: #060913;
  --bg-surface: rgba(13, 20, 36, 0.75);
  --bg-card: #0c1424;
  --bg-card-hover: #121c32;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(212, 175, 55, 0.4);
  --border-emerald: rgba(16, 185, 129, 0.35);
  --gold: #d4af37;
  --gold-light: #fef08a;
  --gold-gradient: linear-gradient(135deg, #fcd34d 0%, #d97706 100%);
  --emerald: #10b981;
  --emerald-light: #34d399;
  --emerald-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);
  --text-main: #f8fafc;
  --text-sub: #cbd5e1;
  --text-muted: #94a3b8;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  background-image: radial-gradient(at 15% 15%, rgba(212, 175, 55, 0.06) 0px, transparent 50%),
                    radial-gradient(at 85% 85%, rgba(16, 185, 129, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
}
h1, h2, h3, h4 { color: var(--text-main); font-weight: 800; line-height: 1.25; }
a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gold-text { background: var(--gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.emerald-text { background: var(--emerald-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Navigation */
header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(6, 9, 19, 0.88);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2); }
.brand-name { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.5px; }
.brand-tag { font-size: 0.72rem; color: var(--gold); text-transform: uppercase; letter-spacing: 1px; display: block; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--text-muted); font-size: 0.92rem; font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-switcher { display: flex; align-items: center; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); border-radius: 999px; padding: 3px; }
.lang-btn { background: transparent; border: none; color: var(--text-muted); padding: 5px 12px; font-size: 0.82rem; font-weight: 700; border-radius: 999px; cursor: pointer; transition: all 0.2s; }
.lang-btn.active { background: var(--gold-gradient); color: #060913; box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4); }
.btn-contact-header { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--border-emerald); color: var(--emerald-light); font-size: 0.88rem; font-weight: 700; padding: 8px 18px; border-radius: 999px; transition: all 0.2s; }
.btn-contact-header:hover { background: var(--emerald); color: #fff; box-shadow: 0 0 15px rgba(16, 185, 129, 0.4); }

/* Sections */
.section { padding: 85px 0; border-bottom: 1px solid var(--border-color); position: relative; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; background: rgba(212, 175, 55, 0.1); border: 1px solid rgba(212, 175, 55, 0.3); border-radius: 999px; color: var(--gold-light); font-size: 0.85rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.5px; }
.section-title { font-size: 2.5rem; letter-spacing: -1px; margin-bottom: 16px; }
.section-desc { font-size: 1.12rem; color: var(--text-muted); max-width: 720px; margin-bottom: 44px; }

/* Hero */
.hero { padding: 95px 0 75px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.hero-badge-live { display: inline-flex; align-items: center; gap: 10px; background: rgba(16, 185, 129, 0.12); border: 1px solid rgba(16, 185, 129, 0.4); color: var(--emerald-light); padding: 6px 16px; border-radius: 999px; font-size: 0.88rem; font-weight: 700; margin-bottom: 24px; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--emerald); box-shadow: 0 0 10px var(--emerald); animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); } 70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); } 100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }
.hero h1 { font-size: 3.4rem; line-height: 1.15; margin-bottom: 16px; letter-spacing: -1.5px; }
.hero-tagline { font-size: 1.25rem; color: var(--gold-light); font-weight: 600; margin-bottom: 20px; }
.hero-bio { font-size: 1.12rem; color: var(--text-sub); line-height: 1.8; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--gold-gradient); color: #060913; padding: 13px 26px; border-radius: var(--radius-md); font-weight: 800; font-size: 1rem; box-shadow: 0 8px 25px rgba(212, 175, 55, 0.35); transition: all 0.25s; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(212, 175, 55, 0.5); }
.btn-secondary { display: inline-flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); color: #fff; padding: 13px 26px; border-radius: var(--radius-md); font-weight: 700; font-size: 1rem; transition: all 0.25s; }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-3px); }

/* Stats Bar */
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 22px; background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-lg); backdrop-filter: blur(10px); }
.stat-box strong { display: block; font-size: 1.95rem; font-weight: 900; color: var(--gold-light); line-height: 1.1; }
.stat-box span { font-size: 0.82rem; color: var(--text-muted); font-weight: 600; }

/* Hero Visual Card */
.hero-card { background: var(--bg-card); border: 1px solid var(--border-hover); border-radius: 28px; padding: 34px 26px; text-align: center; box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(212, 175, 55, 0.1); position: relative; overflow: hidden; }
.hero-card::before { content: ''; position: absolute; top: -80px; right: -80px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%); pointer-events: none; }
.hero-avatar { width: 110px; height: 110px; margin: 0 auto 18px; border-radius: 28px; box-shadow: 0 10px 30px rgba(212, 175, 55, 0.25); }
.hero-card h3 { font-size: 1.45rem; margin-bottom: 6px; }
.hero-card .role { color: var(--emerald-light); font-size: 0.9rem; font-weight: 600; margin-bottom: 18px; }
.pills-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 22px; }
.pill { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); color: var(--text-sub); padding: 5px 12px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; }
.contact-quick { border-top: 1px solid var(--border-color); padding-top: 18px; display: flex; flex-direction: column; gap: 10px; font-size: 0.9rem; }
.contact-quick a { color: var(--text-sub); display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.contact-quick a:hover { color: var(--gold-light); }

/* Grids & Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5); position: relative; display: flex; flex-direction: column; }
.card:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7), 0 0 25px rgba(212, 175, 55, 0.12); background: var(--bg-card-hover); }
.card-icon-wrapper { width: 52px; height: 52px; border-radius: 14px; background: rgba(212, 175, 55, 0.1); border: 1px solid rgba(212, 175, 55, 0.25); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.5rem; }
.card-icon-wrapper.emerald { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.3); }
.card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.card p { color: var(--text-sub); font-size: 0.95rem; line-height: 1.7; margin-bottom: 18px; flex-grow: 1; }
.card-meta { font-size: 0.82rem; color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.card-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; margin-bottom: 12px; }
.badge-live { background: rgba(16, 185, 129, 0.15); color: var(--emerald-light); border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-gold { background: rgba(212, 175, 55, 0.15); color: var(--gold-light); border: 1px solid rgba(212, 175, 55, 0.35); }

/* App & Platform Items */
.app-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.app-icon { width: 56px; height: 56px; border-radius: 14px; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5); flex-shrink: 0; object-fit: cover; }
.app-title-group h3 { margin-bottom: 4px; font-size: 1.2rem; }
.app-btn-group { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border-color); }
.btn-store { display: inline-flex; align-items: center; gap: 8px; padding: 8px 15px; border-radius: 10px; font-size: 0.82rem; font-weight: 700; background: #000; border: 1px solid rgba(255, 255, 255, 0.15); color: #fff; transition: all 0.2s; }
.btn-store:hover { border-color: var(--gold); transform: translateY(-2px); }
.btn-store.play { background: linear-gradient(135deg, #10b981 0%, #059669 100%); border-color: #10b981; }
.btn-store.apple { background: linear-gradient(135deg, #fcd34d 0%, #d97706 100%); border-color: #fcd34d; color: #060913; }
.btn-store svg { width: 17px; height: 17px; fill: currentColor; }

/* YouTube Card */
.yt-card { background: radial-gradient(circle at 10% 20%, rgba(220, 38, 38, 0.15) 0%, var(--bg-card) 60%); border: 1px solid rgba(220, 38, 38, 0.3); border-radius: 28px; padding: 44px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 36px; align-items: center; }
.btn-yt { background: #dc2626; color: #fff; padding: 13px 26px; border-radius: var(--radius-md); font-weight: 800; display: inline-flex; align-items: center; gap: 10px; font-size: 1rem; box-shadow: 0 10px 25px rgba(220, 38, 38, 0.4); }
.btn-yt:hover { background: #b91c1c; transform: translateY(-3px); }

/* Contact Section */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
.contact-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 32px; }
.contact-method { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.contact-icon { width: 46px; height: 46px; border-radius: 12px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text-sub); margin-bottom: 6px; }
.form-control { width: 100%; padding: 12px 16px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: #fff; font-family: inherit; font-size: 0.95rem; transition: all 0.2s; }
.form-control:focus { outline: none; border-color: var(--gold); background: rgba(255, 255, 255, 0.06); box-shadow: 0 0 15px rgba(212, 175, 55, 0.2); }
textarea.form-control { resize: vertical; min-height: 110px; }

/* Footer */
footer { padding: 45px 0 25px; border-top: 1px solid var(--border-color); background: #04060d; color: var(--text-muted); font-size: 0.9rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.05); font-size: 0.82rem; }

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .yt-card { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.8rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section-title { font-size: 2.1rem; }
  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 2.2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}