/* briangoh.com — style.css  v1.5.3
   All styles extracted from index.html (A05 fix: removes style-src unsafe-inline)
   Link with: <link rel="stylesheet" href="style.css"> */

  :root {
    --bg:          #0d0f1a;
    --bg2:         #111320;
    --bg3:         #161828;
    --card:        #171929;
    --card-border: rgba(99,102,241,0.18);
    --text:        #e8eaf6;
    --text2:       #9fa3c4;
    --accent:      #6366f1;
    --accent2:     #a78bfa;
    --accent3:     #38bdf8;
    --glow:        rgba(99,102,241,0.35);
    --hero-grad:   linear-gradient(135deg,#0d0f1a 0%,#1a1040 50%,#0d0f1a 100%);
    --nav-bg:      rgba(13,15,26,0.85);
    --input-bg:    rgba(255,255,255,0.05);
    --input-border:rgba(99,102,241,0.3);
    --shadow:      0 8px 40px rgba(0,0,0,0.4);
    --toggle-bg:   #1e2035;
  }
  [data-theme="light"] {
    --bg:          #f4f5ff;
    --bg2:         #eceeff;
    --bg3:         #e4e6ff;
    --card:        #ffffff;
    --card-border: rgba(99,102,241,0.2);
    --text:        #1a1b2e;
    --text2:       #5a5f8a;
    --accent:      #4f46e5;
    --accent2:     #7c3aed;
    --accent3:     #0284c7;
    --glow:        rgba(79,70,229,0.2);
    --hero-grad:   linear-gradient(135deg,#e8e9ff 0%,#d4d0ff 50%,#e8e9ff 100%);
    --nav-bg:      rgba(244,245,255,0.9);
    --input-bg:    rgba(0,0,0,0.04);
    --input-border:rgba(99,102,241,0.3);
    --shadow:      0 8px 40px rgba(99,102,241,0.12);
    --toggle-bg:   #e0e2ff;
  }

  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .4s,color .4s;overflow-x:hidden}

  /* ── NAV ── */
  nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--card-border);padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:64px;transition:background .4s}
  .nav-logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.25rem;color:var(--text);display:flex;align-items:center;gap:10px;text-decoration:none;letter-spacing:-.01em}
  .nav-logo svg{width:32px;height:32px}
  .nav-links{display:flex;align-items:center;gap:.25rem}
  .nav-links a{font-size:.88rem;font-weight:500;color:var(--text2);text-decoration:none;padding:.4rem .85rem;border-radius:50px;transition:color .2s,background .2s;position:relative}
  .nav-links a:hover{color:var(--text);background:rgba(99,102,241,.08)}
  .nav-links a.active{color:var(--accent);background:rgba(99,102,241,.12)}
  .nav-right{display:flex;align-items:center;gap:1rem}

  .theme-toggle{width:52px;height:28px;background:var(--toggle-bg);border-radius:50px;border:1px solid var(--card-border);cursor:pointer;position:relative;transition:background .3s;display:flex;align-items:center;padding:0 4px}
  .theme-toggle::after{content:'';width:20px;height:20px;border-radius:50%;background:var(--accent);position:absolute;transition:transform .3s cubic-bezier(.4,0,.2,1);transform:translateX(0)}
  [data-theme="light"] .theme-toggle::after{transform:translateX(24px)}
  .toggle-icon{font-size:.75rem;position:absolute}
  .toggle-icon.moon{left:5px}
  .toggle-icon.sun{right:5px}

  .btn-primary{background:var(--accent);color:#fff;border:none;border-radius:50px;padding:.5rem 1.4rem;font-family:'DM Sans',sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .2s,box-shadow .2s,transform .15s;text-decoration:none;display:inline-block}
  .btn-primary:hover{background:var(--accent2);box-shadow:0 0 20px var(--glow);transform:translateY(-1px)}
  .btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}
  .btn-ghost{background:transparent;border:1px solid var(--card-border);color:var(--text);border-radius:50px;padding:.5rem 1.4rem;font-family:'DM Sans',sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;transition:border-color .2s,color .2s;text-decoration:none}
  .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
  .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
  .hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

  /* ── HERO ── */
  #home{min-height:100vh;background:var(--hero-grad);padding-top:64px;display:flex;align-items:center;position:relative;overflow:hidden}
  .hero-orbs{position:absolute;inset:0;pointer-events:none}
  .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25;animation:float 8s ease-in-out infinite}
  .orb1{width:420px;height:420px;background:#6366f1;top:-100px;left:-80px;animation-delay:0s}
  .orb2{width:300px;height:300px;background:#a78bfa;top:50%;right:-60px;animation-delay:-3s}
  .orb3{width:200px;height:200px;background:#38bdf8;bottom:-60px;left:35%;animation-delay:-5s}
  @keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}

  .hero-inner{max-width:1200px;margin:0 auto;padding:4rem 5%;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;position:relative;z-index:1;width:100%}
  .hero-left{display:flex;flex-direction:column;gap:1.5rem}
  h1{font-family:'Syne',sans-serif;font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1.1;letter-spacing:-.02em}
  h1 .grad{background:linear-gradient(135deg,var(--accent),var(--accent2),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
  .hero-desc{font-size:1.05rem;color:var(--text2);max-width:460px;line-height:1.75}
  .hero-ctas{display:flex;gap:1rem;flex-wrap:wrap}
  .hero-right{display:flex;justify-content:center;align-items:center}
  .hero-avatar-wrap{position:relative;display:flex;justify-content:center;align-items:center}
  .hero-avatar-wrap img{width:260px;border-radius:24px;display:block}

  /* ── SECTION COMMON ── */
  section{padding:6rem 5%}
  .section-inner{max-width:1200px;margin:0 auto}
  .section-tag{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:.75rem;display:flex;align-items:center;gap:8px}
  .section-tag::before{content:'';width:24px;height:2px;background:var(--accent);border-radius:2px}
  h2{font-family:'Syne',sans-serif;font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:1rem}
  .section-desc{color:var(--text2);max-width:560px;font-size:1rem;margin-bottom:3rem;line-height:1.75}

  /* ── PROJECTS ── */
  #projects{background:var(--bg2)}
  .projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
  .project-card{background:var(--card);border:1px solid var(--card-border);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative}
  .project-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(99,102,241,.2);border-color:rgba(99,102,241,.5)}
  .project-card.full{grid-column:1/-1}
  .project-thumb{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;overflow:hidden}
  .project-card.full .project-thumb{aspect-ratio:21/6}
  .project-info{padding:1.4rem 1.5rem}
  .project-info h3{font-family:'Syne',sans-serif;font-size:1.05rem;font-weight:700;margin-bottom:.35rem}
  .project-info p{font-size:.87rem;color:var(--text2);line-height:1.65}
  .project-url{font-size:.78rem;color:var(--accent3);margin-top:.4rem;display:block;text-decoration:none;transition:color .2s}
  .project-url:hover{color:var(--accent2)}
  .project-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:.8rem}
  .project-tags span{font-size:.72rem;font-weight:500;background:rgba(99,102,241,.12);color:var(--accent2);border-radius:50px;padding:3px 10px;border:1px solid rgba(99,102,241,.2)}
  .project-link{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.3);display:flex;align-items:center;justify-content:center;color:var(--accent2);font-size:1rem;text-decoration:none;transition:background .2s,transform .2s;opacity:0}
  .project-card:hover .project-link{opacity:1;transform:rotate(-45deg)}
  .project-status{position:absolute;top:14px;left:14px;font-size:.68rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:50px}
  .status-live{background:rgba(34,197,94,.15);color:#22c55e;border:1px solid rgba(34,197,94,.3)}
  .status-wip{background:rgba(245,158,11,.15);color:#f59e0b;border:1px solid rgba(245,158,11,.3)}

  /* thumb gradients */
  .t-consent{background:linear-gradient(135deg,#051520,#0a2540,#0d3360)}
  .t-weather{background:linear-gradient(135deg,#0f2027,#203a43,#2c5364)}
  .t-ip{background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460)}
  .t-snip{background:linear-gradient(135deg,#0f0c29,#302b63,#24243e)}
  .t-transit{background:linear-gradient(135deg,#0a0a1a,#1a1a2e,#16213e)}
  .t-files{background:linear-gradient(135deg,#200122,#3a0060,#1a0040)}

  /* ── ABOUT ── */
  #about{background:var(--bg)}
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
  .about-text{display:flex;flex-direction:column;gap:1.2rem}
  .about-text p{color:var(--text2);line-height:1.8}
  .stats-row{display:flex;gap:2rem;flex-wrap:wrap;margin-top:1rem}
  .stat{display:flex;flex-direction:column}
  .stat-num{font-family:'Syne',sans-serif;font-size:2rem;font-weight:800;color:var(--text)}
  .stat-num span{color:var(--accent)}
  .stat-label{font-size:.82rem;color:var(--text2)}
  .cert-grid{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
  .cert-badge{display:flex;align-items:center;gap:6px;background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.2);border-radius:8px;padding:6px 12px;font-size:.78rem;color:var(--text2)}

  /* skills → "Work Delivered Through" */
  .skills-section{display:flex;flex-direction:column;gap:0}
  .skills-category{margin-bottom:1.8rem}
  .skills-category-title{font-family:'Syne',sans-serif;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);margin-bottom:.9rem;padding-bottom:.5rem;border-bottom:1px solid var(--card-border)}
  .skills-list{display:flex;flex-direction:column;gap:.85rem}
  .skill-item{display:flex;flex-direction:column;gap:5px}
  .skill-header{display:flex;justify-content:space-between;font-size:.87rem}
  .skill-name{font-weight:500}
  .skill-pct{color:var(--accent2);font-size:.82rem}
  .skill-bar{height:5px;background:var(--bg3);border-radius:50px;overflow:hidden}
  .skill-fill{height:100%;border-radius:50px;background:linear-gradient(90deg,var(--accent),var(--accent2));width:0;transition:width 1.2s cubic-bezier(.4,0,.2,1)}

  /* infra chips */
  .infra-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.4rem}
  .infra-chip{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:500;padding:4px 10px;border-radius:6px;border:1px solid var(--card-border);color:var(--text2);background:var(--card);white-space:nowrap}
  .infra-chip .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
  .dot-orange{background:#f97316}
  .dot-blue{background:#38bdf8}
  .dot-purple{background:#a78bfa}
  .dot-green{background:#22c55e}
  .dot-pink{background:#ec4899}
  .dot-yellow{background:#eab308}

  /* ── CONTACT ── */
  #contact{background:var(--bg2)}
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
  .contact-info{display:flex;flex-direction:column;gap:1.5rem}
  .contact-item{display:flex;align-items:center;gap:1rem}
  .contact-icon{width:44px;height:44px;border-radius:12px;background:rgba(99,102,241,.12);border:1px solid rgba(99,102,241,.2);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
  .contact-item-text{font-size:.88rem}
  .contact-item-label{color:var(--text2);font-size:.78rem;margin-bottom:2px}
  .contact-form{background:var(--card);border:1px solid var(--card-border);border-radius:20px;padding:2rem;box-shadow:var(--shadow)}
  .form-group{margin-bottom:.9rem}
  .form-group input,.form-group textarea,.form-group select{width:100%;background:var(--input-bg);border:1px solid var(--input-border);border-radius:10px;padding:.7rem 1rem;font-family:'DM Sans',sans-serif;font-size:.9rem;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s;resize:none;-webkit-appearance:none;appearance:none}
  .form-group input::placeholder,.form-group textarea::placeholder{color:var(--text2)}
  .form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
  .form-group textarea{height:120px}
  #cSubject{background:var(--bg)}
  #turnstile-wrap{margin-bottom:.9rem}
  #turnstile-wrap.hidden{display:none}

  /* socials */
  .socials{display:flex;gap:.75rem}
  .social-btn{width:36px;height:36px;border-radius:10px;background:var(--card);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;font-size:.9rem;cursor:pointer;transition:border-color .2s,background .2s;text-decoration:none;color:var(--text2)}
  .social-btn:hover{border-color:var(--accent);background:rgba(99,102,241,.1);color:var(--accent)}

  /* ── FOOTER ── */
  footer{background:var(--bg);border-top:1px solid var(--card-border);padding:1.6rem 5%;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
  footer p{font-size:.82rem;color:var(--text2)}
  .footer-links{display:flex;gap:.2rem;align-items:center}
  .footer-links a{font-size:.82rem;color:var(--text2);text-decoration:none;padding:.3rem .75rem;border-radius:50px;transition:color .2s,background .2s}
  .footer-links a:hover{color:var(--accent);background:rgba(99,102,241,.08)}

  /* ── MOBILE NAV ── */
  .mobile-menu{display:none;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--card-border);z-index:99;padding:.75rem 5% 1rem}
  .mobile-menu.open{display:flex}
  .mobile-menu a{padding:.65rem .85rem;margin:.15rem 0;border-radius:10px;font-size:.95rem;color:var(--text2);text-decoration:none;transition:color .2s,background .2s}
  .mobile-menu a:hover{color:var(--accent);background:rgba(99,102,241,.08)}

  /* ── RESPONSIVE ── */
  @media(max-width:900px){
    .hero-inner{grid-template-columns:1fr;text-align:center}
    .hero-left{align-items:center}
    .hero-desc{text-align:center}
    .projects-grid{grid-template-columns:1fr}
    .project-card.full{grid-column:auto}
    .about-grid{grid-template-columns:1fr;gap:2rem}
    .contact-grid{grid-template-columns:1fr;gap:2rem}
    .nav-links{display:none}
    .hamburger{display:flex}
  }
  @media(max-width:600px){
    section{padding:4rem 5%}
    .stats-row{gap:1.5rem}
    .hero-avatar-wrap img{width:220px}
  }

  /* Animations */
  .reveal{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
  .reveal.visible{opacity:1;transform:none}

  /* Toast */
  .toast{position:fixed;bottom:2rem;right:2rem;z-index:999;color:#fff;padding:.75rem 1.5rem;border-radius:12px;font-size:.9rem;box-shadow:0 8px 30px rgba(0,0,0,.3);transform:translateY(100px);opacity:0;transition:transform .4s cubic-bezier(.4,0,.2,1),opacity .4s;max-width:320px;line-height:1.4}
  .toast.show{transform:translateY(0);opacity:1}
  .toast.success{background:#166534;border:1px solid #22c55e}
  .toast.error{background:#7f1d1d;border:1px solid #ef4444}
  .toast.info{background:var(--accent)}

  /* ── v1.5.3 utility classes (replaces removed inline styles) ── */
  .text-accent2{color:var(--accent2)}
  .btn-work-together{margin-top:1.5rem;width:fit-content}
  .btn-send{width:100%;padding:.75rem}
  .skills-category--last{margin-bottom:0}

  /* animation-delay via data attribute — avoids inline style= on reveal cards */
  [data-delay=".1s"]{animation-delay:.1s}
  [data-delay=".15s"]{animation-delay:.15s}
  [data-delay=".2s"]{animation-delay:.2s}
  [data-delay=".25s"]{animation-delay:.25s}
  [data-delay=".3s"]{animation-delay:.3s}