/* ═══════════════════════════════════════════════
   Portfolio v4 — Dark default, magnified, full-width
   ═══════════════════════════════════════════════ */

/* ── DARK THEME (default) ── */
:root{--bg:#0f1923;--bg-warm:#141f2b;--bg-card:#1a2735;--bg-card-hover:#1f2f40;--bg-nav:#0a1018;--accent:#C4973B;--accent-light:#d4a73f;--accent-glow:rgba(196,151,59,0.15);--gradient:linear-gradient(135deg,#8B6914,#C4973B);--text:#e8e6e3;--text-secondary:#9aacbe;--text-muted:#6a7d90;--text-on-dark:#e8e6e3;--border:#243040;--border-light:#2a3a4d;--shadow:0 2px 20px rgba(0,0,0,0.3);--shadow-hover:0 8px 28px rgba(0,0,0,0.4);--transition:0.3s ease;--chart-grid:rgba(36,48,64,0.5);--chart-text:#6a7d90;--radius:10px;--radius-sm:6px}

/* ── LIGHT THEME ── */
[data-theme="light"]{--bg:#f5f0eb;--bg-warm:#ede5db;--bg-card:#ffffff;--bg-card-hover:#fff9f3;--bg-nav:#2a1f14;--accent:#8B6914;--accent-light:#C4973B;--accent-glow:rgba(139,105,20,0.12);--text:#2a1f14;--text-secondary:#6b5b4e;--text-muted:#9a8b7d;--text-on-dark:#f5f0eb;--border:#ddd3c7;--border-light:#e8e0d6;--shadow:0 2px 16px rgba(42,31,20,0.08);--shadow-hover:0 8px 28px rgba(42,31,20,0.12);--chart-grid:#e8e0d6;--chart-text:#6b5b4e}

*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Inter',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;transition:background 0.4s ease,color 0.4s ease}a{color:var(--accent);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-light)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}.reveal.visible{opacity:1;transform:translateY(0)}

/* Theme Toggle — sun/moon */
.theme-toggle{position:absolute;top:28px;right:48px;z-index:10;cursor:pointer;display:flex;align-items:center;gap:8px}
.theme-toggle-icon{width:28px;height:28px;color:var(--accent);transition:var(--transition)}
.theme-toggle:hover .theme-toggle-icon{color:var(--accent-light);transform:scale(1.1)}

/* Hero — magnified, full height */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 64px;background:var(--bg);position:relative;overflow:hidden}
.hero-inner{display:flex;align-items:stretch;gap:80px;max-width:1400px;width:100%;min-height:calc(100vh - 120px)}
.hero-text{flex:1;display:flex;flex-direction:column;justify-content:center}
.hero-greeting{font-size:26px;color:var(--text-muted);margin-bottom:8px}
.hero-name{font-size:72px;font-weight:800;color:var(--text);line-height:1.05;margin-bottom:28px;letter-spacing:-2px}
.hero-tagline{font-size:22px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px;max-width:540px}
.hero-tagline-sub{font-size:17px;color:var(--text-muted);margin-bottom:32px}
.hero-location{font-size:16px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.hero-location svg{width:18px;height:18px;stroke:var(--accent-light)}
.hero-photo-wrap{flex:0 0 420px;display:flex;align-items:stretch}
.hero-photo{width:100%;height:100%;min-height:600px;object-fit:cover;border-radius:var(--radius);border:3px solid transparent;background-image:var(--gradient);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--shadow-hover)}
.scroll-indicator{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);animation:bounce 2s ease infinite;color:var(--text-muted);font-size:11px;letter-spacing:2px;text-transform:uppercase;text-align:center}
.scroll-indicator::after{content:'';display:block;width:1px;height:28px;background:var(--accent-light);margin:6px auto 0;opacity:0.5}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

/* Nav — profile link icons */
.nav-bar{position:sticky;top:0;z-index:100;background:var(--bg-nav);padding:0 36px;display:flex;align-items:center;justify-content:space-between;height:56px;box-shadow:0 2px 12px rgba(0,0,0,0.15)}
.nav-tabs{display:flex;gap:0;list-style:none}
.nav-tabs li{padding:16px 26px;font-size:16px;font-weight:500;color:rgba(245,240,235,0.6);cursor:pointer;border-bottom:2px solid transparent;transition:var(--transition)}
.nav-tabs li.active{color:var(--accent-light);border-bottom-color:var(--accent-light)}
.nav-tabs li:hover:not(.active){color:var(--text-on-dark)}
.nav-icons{display:flex;gap:14px;list-style:none;align-items:center;flex-wrap:wrap}
.nav-icons a{color:rgba(245,240,235,0.5);transition:var(--transition);display:flex}
.nav-icons a:hover{color:var(--accent-light)}
.nav-icons svg{width:20px;height:20px}

/* Content — full width */
.content{max-width:1400px;margin:0 auto;padding:56px 48px}
.tab-panel{display:none}.tab-panel.active{display:block}
.section-header{margin-bottom:36px}
.section-header h2{font-size:34px;font-weight:700;color:var(--text);margin-bottom:8px}
.section-header p{font-size:17px;color:var(--text-muted)}

/* Featured — full width */
.featured{background:var(--bg-card);border:1px solid var(--border);border-left:4px solid;border-image:var(--gradient) 1;border-radius:var(--radius);overflow:hidden;margin-bottom:56px;box-shadow:var(--shadow)}
.featured-inner{display:flex;gap:0}
.featured-image{flex:0 0 55%;overflow:hidden}
.featured-image img{width:100%;height:100%;object-fit:cover;display:block}
.featured-body{flex:1;padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
.featured-label{font-size:14px;letter-spacing:2.5px;text-transform:uppercase;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;font-weight:700}
.featured-body h3{font-size:28px;font-weight:700;margin-bottom:18px;color:var(--text)}
.featured-body p{font-size:17px;color:var(--text-secondary);margin-bottom:24px;line-height:1.8}
.stat-badges{display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap}
.stat-badge{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 18px;font-size:15px;color:var(--accent);font-weight:600}
.btn{display:inline-block;padding:14px 32px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;transition:var(--transition);border:none}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--accent-glow);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* ML Demo */
.ml-demo{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;margin-bottom:56px;box-shadow:var(--shadow)}
.ml-tabs{display:flex;gap:0;margin-bottom:32px;border-bottom:1px solid var(--border)}
.ml-tab{padding:14px 24px;font-size:16px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;transition:var(--transition);background:none;border-top:none;border-left:none;border-right:none}
.ml-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.ml-panel{display:none}.ml-panel.active{display:block}
.ml-kpi-row{display:flex;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.ml-kpi{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:22px 26px;flex:1;min-width:160px}
.ml-kpi .value{font-size:36px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ml-kpi .label{font-size:14px;color:var(--text-muted);margin-top:5px}
.ml-chart{width:100%;min-height:340px}
.ml-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:18px}
.ml-table th{text-align:left;padding:12px 14px;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border);font-size:13px;text-transform:uppercase;letter-spacing:0.5px}
.ml-table td{padding:11px 14px;border-bottom:1px solid var(--border-light);color:var(--text-secondary)}
.ml-table tr:hover td{color:var(--text)}
.ml-note{font-size:15px;color:var(--text-muted);margin-top:20px;padding:18px 22px;background:var(--bg);border-radius:var(--radius-sm);border-left:3px solid var(--accent-light);line-height:1.7}
.ml-note strong{color:var(--text)}

/* Project Cards — full width scroll */
.projects-scroll{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:4px 0 22px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.project-card{flex:0 0 340px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-decoration:none;transition:var(--transition);display:flex;flex-direction:column;box-shadow:var(--shadow)}
.project-card:hover{border-color:var(--accent-light);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.project-card-img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid var(--border)}
.project-card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.project-card-body h4{font-size:18px;font-weight:600;color:var(--text);margin-bottom:10px}
.project-card-body p{font-size:15px;color:var(--text-muted);flex:1;line-height:1.65}
.project-card-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:13px;padding:4px 12px;border-radius:4px;background:var(--bg);color:var(--text-muted);border:1px solid var(--border)}

/* Timeline — full width */
.timeline{position:relative;max-width:100%;margin:0 auto;padding:24px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--border);transform:translateX(-50%)}
.timeline-item{position:relative;display:flex;align-items:flex-start;margin-bottom:48px;width:100%}
.timeline-item:nth-child(odd){flex-direction:row-reverse}
.timeline-dot{position:absolute;left:50%;top:10px;width:18px;height:18px;border-radius:50%;background:var(--gradient);border:3px solid var(--bg);transform:translateX(-50%);z-index:2;box-shadow:0 0 0 4px var(--accent-glow)}
.timeline-content{width:44%;padding:24px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.timeline-item:nth-child(odd) .timeline-content{margin-right:auto;margin-left:6%}
.timeline-item:nth-child(even) .timeline-content{margin-left:auto;margin-right:6%}
.timeline-date{font-size:15px;color:var(--accent);font-weight:600;margin-bottom:6px}
.timeline-title{font-size:21px;font-weight:700;color:var(--text);margin-bottom:4px}
.timeline-company{font-size:16px;color:var(--accent-light);margin-bottom:10px;font-weight:500}
.timeline-desc{font-size:15px;color:var(--text-muted);line-height:1.7}

/* ═══ BADGES — magnified ═══ */
.badges-section{margin-top:56px}
.badges-tier-label{font-size:16px;color:var(--accent);text-transform:uppercase;letter-spacing:1.5px;font-weight:700;margin-bottom:18px;margin-top:44px}
.badges-tier-label:first-of-type{margin-top:0}
.badges-row{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 20px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}

/* Oracle certs — large */
.cert-card{flex:0 0 400px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow)}
.cert-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.cert-card img{width:100%;height:auto;display:block}
.cert-card .cert-label{padding:14px 18px;font-size:14px;color:var(--text-secondary);font-weight:500;text-align:center;border-top:1px solid var(--border-light)}

/* Azure badges — large */
.badge-card-lg{flex:0 0 240px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:22px 18px;transition:var(--transition);box-shadow:var(--shadow)}
.badge-card-lg:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.badge-card-lg img{width:160px;height:160px;object-fit:contain;margin-bottom:14px}
.badge-card-lg .badge-label{font-size:14px;color:var(--text-secondary);line-height:1.4;font-weight:500}

/* HR cert + Google Kaggle cert — 2.5x bigger cert cards */
.cert-card-xl{flex:0 0 540px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow)}
.cert-card-xl:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.cert-card-xl img{width:100%;height:auto;display:block}
.cert-card-xl .cert-label{padding:14px 18px;font-size:15px;color:var(--text-secondary);font-weight:500;text-align:center;border-top:1px solid var(--border-light)}

/* Platform achievements — 2.5x (was 180px → 380px cards, 110px → 240px imgs) */
.badge-card-md{flex:0 0 380px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:28px 20px;transition:var(--transition);box-shadow:var(--shadow)}
.badge-card-md:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.badge-card-md img{width:240px;height:240px;object-fit:contain;margin-bottom:14px}
.badge-card-md .badge-label{font-size:15px;color:var(--text-muted);line-height:1.4;font-weight:500}

/* Live indicator for codesignal */
.live-badge{display:inline-flex;align-items:center;gap:6px}
.live-dot{width:8px;height:8px;border-radius:50%;background:#2ecc71;display:inline-block;animation:pulse-green 1.5s ease infinite}
@keyframes pulse-green{0%,100%{box-shadow:0 0 0 0 rgba(46,204,113,0.4)}50%{box-shadow:0 0 0 6px rgba(46,204,113,0)}}

/* Coding badges — 2.5x (was 150px → 375px, 85px → 212px) */
.badge-card-sm{flex:0 0 375px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:24px 16px;transition:var(--transition);box-shadow:var(--shadow)}
.badge-card-sm:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.badge-card-sm img{width:212px;height:212px;object-fit:contain;margin-bottom:10px}
.badge-card-sm .badge-label{font-size:14px;color:var(--text-muted);line-height:1.3;font-weight:500}

/* Leetcode — 3x (was 150px → 450px, 85px → 255px) */
.badge-card-lc{flex:0 0 450px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:28px 20px;transition:var(--transition);box-shadow:var(--shadow)}
.badge-card-lc:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-light)}
.badge-card-lc img{width:255px;height:auto;max-height:400px;object-fit:contain;margin-bottom:12px}
.badge-card-lc .badge-label{font-size:15px;color:var(--text-muted);line-height:1.3;font-weight:500}

/* Tools */
.tools-display{margin-top:44px}
.tools-display img{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border);box-shadow:var(--shadow)}
.tools-caption{font-size:15px;color:var(--text-muted);margin-top:10px;text-align:center}

/* Footer — text links */
.footer{text-align:center;padding:48px 36px;border-top:1px solid var(--border);margin-top:64px;background:var(--bg-warm)}
.footer-links{display:flex;justify-content:center;gap:20px;margin-bottom:18px;list-style:none;flex-wrap:wrap}
.footer-links a{color:var(--text-secondary);font-size:14px;font-weight:500;transition:var(--transition)}
.footer-links a:hover{color:var(--accent)}
.footer-email{font-size:15px;color:var(--text-secondary);margin-bottom:6px}
.footer-email a{color:var(--text-secondary)}.footer-email a:hover{color:var(--accent)}
.footer-location{font-size:14px;color:var(--text-muted);margin-bottom:12px}
.footer .copy{font-size:12px;color:var(--text-muted)}

/* Responsive */
@media(max-width:768px){.hero{padding:40px 20px}.hero-inner{flex-direction:column-reverse;text-align:center;gap:30px;min-height:auto}.hero-photo-wrap{flex:none;width:180px;margin:0 auto}.hero-photo{height:180px;width:180px;min-height:auto;border-radius:50%}.hero-name{font-size:36px}.hero-location{justify-content:center}.theme-toggle{top:16px;right:20px}.featured-inner{flex-direction:column}.featured-image{flex:none;height:220px}.featured-body{padding:24px}.ml-kpi-row{flex-direction:column}.nav-tabs li{padding:16px 16px;font-size:14px}.nav-icons{gap:10px}.content{padding:36px 20px}.timeline::before{left:20px}.timeline-item,.timeline-item:nth-child(odd){flex-direction:row}.timeline-dot{left:20px}.timeline-content{width:calc(100% - 54px);margin-left:54px!important;margin-right:0!important}.section-header h2{font-size:24px}.badge-card-md{flex:0 0 200px}.badge-card-md img{width:140px;height:140px}.badge-card-sm{flex:0 0 200px}.badge-card-sm img{width:120px;height:120px}.badge-card-lc{flex:0 0 240px}.badge-card-lc img{width:160px}.cert-card-xl{flex:0 0 300px}}

/* Dashboard */
.dashboard-page{height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.dashboard-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 28px;border-bottom:1px solid var(--border);background:var(--bg-card);flex-shrink:0}
.dashboard-back{color:var(--accent);font-size:14px;font-weight:500;display:flex;align-items:center;gap:5px}
.dashboard-credit{font-size:12px;color:var(--text-muted)}
.dashboard-embed{flex:1;overflow:hidden}