/* ===========================================================
   BRIAN NDUNGU — PORTFOLIO
   Dark HUD / neon cut-corner aesthetic
   =========================================================== */

:root{
  --bg:#0a0e16;
  --bg-alt:#0d1220;
  --panel:#0f1522;
  --border:#1c2740;
  --green:#2ee6a6;
  --green-dim:#164a3a;
  --gold:#d4af37;
  --purple:#8b22de;
  --text:#e7ecf3;
  --text-dim:#8a95a8;
  --font-head:'Orbitron', sans-serif;
  --font-body:'Share Tech Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.7;
  overflow-x:hidden;
}

.bg-grid{
  position:fixed; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(46,230,166,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,230,166,0.04) 1px, transparent 1px);
  background-size:42px 42px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
          mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}


a{color:inherit; text-decoration:none;}

h1,h2,h3{font-family:var(--font-head);}

::selection{background:var(--green-dim); color:var(--green);}

/* ---------------- NAV ---------------- */
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:26px 6vw;
  position:sticky; top:0; z-index:50;
  background:rgba(10,14,22,0.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-logo{
  font-family:var(--font-head);
  font-weight:700;
  font-size:18px;
  letter-spacing:1px;
}
.nav-logo .dot{color:var(--green);}
.nav-links{display:flex; gap:28px;}
.nav-links a{
  font-size:13px; color:var(--text-dim);
  transition:color .2s;
}
.nav-links a:hover{color:var(--green);}
.nav-actions{display:flex; align-items:center; gap:14px;}
.nav-cv{font-size:13px; padding:10px 18px; display:inline-flex; align-items:center; gap:6px;}
.nav-cta{font-size:13px; padding:10px 20px;}

@media (max-width:800px){
  .nav-links{display:none;}
}

/* ---------------- CUT-CORNER BUTTON ---------------- */
.btn-cut{
  display:inline-block;
  background:var(--green);
  color:#06140f;
  font-family:var(--font-body);
  font-weight:700;
  padding:13px 26px;
  clip-path:polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  box-shadow:0 0 18px rgba(46,230,166,0.35);
  border:none;
  cursor:pointer;
  transition:transform .2s, box-shadow .2s;
}
.btn-cut:hover{transform:translateY(-2px); box-shadow:0 0 26px rgba(46,230,166,0.55);}

.btn-outline{
  display:inline-block;
  padding:13px 26px;
  border:1px solid var(--border);
  clip-path:polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  color:var(--text);
  transition:border-color .2s, color .2s;
}
.btn-outline:hover{border-color:var(--green); color:var(--green);}

.btn-chevron{
  display:inline-flex; align-items:center; gap:10px;
  font-size:14px; color:var(--green);
  border-top:1px solid var(--green-dim);
  border-bottom:1px solid var(--green-dim);
  padding:10px 4px;
  text-shadow:0 0 8px rgba(46,230,166,0.5);
}
.btn-chevron.small{font-size:12.5px; padding:6px 2px;}
.btn-chevron .chev{color:var(--green); font-weight:700;}

/* ---------------- HERO ---------------- */
.hero{
  padding:110px 6vw 90px;
  text-align:left;
  max-width:1200px;
  margin:0 auto;
}
.hero-tag{
  font-size:13px; color:var(--green);
  letter-spacing:1px;
  margin-bottom:22px;
}
.hero-title{
  font-size:clamp(42px, 8vw, 84px);
  line-height:1.05;
  letter-spacing:1px;
  background:linear-gradient(120deg, #fff 0%, var(--gold) 45%, var(--green) 75%, #fff 100%);
  background-size:220% auto;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:shine 7s linear infinite;
  filter:drop-shadow(0 0 22px rgba(46,230,166,0.18));
  margin-bottom:26px;
}
@keyframes shine{
  to{ background-position:220% center; }
}
.hero-desc{
  max-width:560px;
  color:var(--text-dim);
  font-size:15px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex; align-items:center; gap:26px;
  margin-bottom:70px;
  flex-wrap:wrap;
}

.hero-frame{
  position:relative;
  border:1px solid var(--border);
  background:var(--panel);
  padding:26px;
  max-width:640px;
}
.hero-frame-corner{
  position:absolute; width:22px; height:22px;
  border:2px solid var(--green);
}
.hero-frame-corner.tl{top:-1px; left:-1px; border-right:none; border-bottom:none;}
.hero-frame-corner.tr{top:-1px; right:-1px; border-left:none; border-bottom:none;}
.hero-frame-corner.bl{bottom:-1px; left:-1px; border-right:none; border-top:none;}
.hero-frame-corner.br{bottom:-1px; right:-1px; border-left:none; border-top:none;}

.fake-browser{background:#080b12; border:1px solid var(--border);}
.fake-browser-bar{
  display:flex; gap:6px; padding:10px 12px;
  border-bottom:1px solid var(--border);
}
.fdot{width:9px; height:9px; border-radius:50%;}
.fdot.r{background:#ff5f57;} .fdot.y{background:#febc2e;} .fdot.g{background:#28c840;}
.fake-browser-body{padding:22px; font-size:13.5px;}
.code-line{color:var(--text-dim); white-space:pre;}
.code-line.indent{padding-left:22px;}
.c-kw{color:var(--purple);}
.c-fn{color:var(--green);}
.c-str{color:#ffd479;}

/* ---------------- SECTIONS ---------------- */
.section{
  max-width:1200px;
  margin:0 auto;
  padding:80px 6vw;
}
.section-head{
  display:flex; align-items:center; gap:16px;
  margin-bottom:46px;
}
.section-num{
  font-family:var(--font-head);
  color:var(--green-dim);
  font-size:14px;
  border:1px solid var(--border);
  padding:6px 10px;
}
.section-head h2{
  font-size:clamp(24px,3.4vw,34px);
  color:#fff;
  letter-spacing:0.5px;
}

/* ---------------- ABOUT ---------------- */
.about-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:50px;
  align-items:start;
}
.about-text{color:var(--text-dim); font-size:15px; max-width:520px;}
.stat-box{display:flex; flex-direction:column; gap:22px;}
.stat{
  border-left:2px solid var(--green);
  padding-left:16px;
}
.stat-num{
  display:block; font-family:var(--font-head);
  font-size:28px; color:var(--green);
  text-shadow:0 0 12px rgba(46,230,166,0.4);
}
.stat-label{font-size:12.5px; color:var(--text-dim);}

@media (max-width:750px){
  .about-grid{grid-template-columns:1fr;}
}

/* ---------------- SKILLS / HUD RINGS ---------------- */
.skills-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(150px, 1fr));
  gap:36px;
}
.ring-card{display:flex; flex-direction:column; align-items:center; gap:14px;}
.hud-ring{position:relative; width:130px; height:130px;}
.ring-svg{width:100%; height:100%; transform:rotate(-90deg);}
.ring-track{
  fill:none; stroke:var(--border); stroke-width:6;
}
.ring-progress{
  fill:none; stroke:var(--green); stroke-width:6; stroke-linecap:round;
  stroke-dasharray:440;
  stroke-dashoffset:calc(440 - (440 * var(--pct)) / 100);
  filter:drop-shadow(0 0 6px rgba(46,230,166,0.7));
  transition:stroke-dashoffset 1.2s ease;
}
.hud-label{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-head);
  font-size:15px; color:var(--green);
  text-shadow:0 0 8px rgba(46,230,166,0.6);
}
.ring-name{font-size:13px; color:var(--text-dim);}

/* ---------------- PROJECTS ---------------- */
.project-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:center;
  padding:40px 0;
  border-top:1px solid var(--border);
}
.project-card.reverse .project-frame{order:2;}
.project-card.reverse .project-info{order:1;}
.project-tag{font-size:12px; color:var(--green); letter-spacing:1px;}
.project-info h3{font-size:24px; color:#fff; margin:14px 0 12px;}
.project-info p{color:var(--text-dim); font-size:14px; margin-bottom:18px; max-width:460px;}
.tag-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:22px;}
.pill{
  font-size:11.5px; color:var(--green);
  border:1px solid var(--green-dim);
  padding:4px 12px;
  background:rgba(46,230,166,0.05);
}

.project-frame{position:relative; border:1px solid var(--border); padding:16px;}
.project-frame-corner{position:absolute; width:24px; height:24px; border:2px solid var(--green);}
.project-frame-corner.tl{top:-1px; left:-1px; border-right:none; border-bottom:none;}
.project-frame-corner.br{bottom:-1px; right:-1px; border-left:none; border-top:none;}
.project-mock{background:#080b12; border:1px solid var(--border);}
.project-img{display:block; width:100%; height:auto;}
.mock-bar{display:flex; gap:6px; padding:10px 12px; border-bottom:1px solid var(--border);}
.mock-body{height:200px; background:
  linear-gradient(135deg, rgba(46,230,166,0.06), transparent 60%),
  repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 10px);
}

.project-nav{display:flex; justify-content:space-between; padding-top:30px;}

@media (max-width:800px){
  .project-card, .project-card.reverse{grid-template-columns:1fr;}
  .project-card.reverse .project-frame{order:1;}
  .project-card.reverse .project-info{order:2;}
}

/* ---------------- CONTACT ---------------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
}
.contact-lead{color:var(--text-dim); font-size:15px; margin-bottom:30px; max-width:420px;}
.contact-line{display:flex; gap:16px; margin-bottom:14px; font-size:14px;}
.contact-line .k{color:var(--text-dim); width:80px; flex-shrink:0;}
.contact-line a{color:var(--green);}
.contact-line a:hover{text-decoration:underline;}

.contact-form-wrap{
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:6px;
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(46,230,166,0.08);
}
.contact-form-wrap iframe{display:block;}

.contact-form{display:flex; flex-direction:column; gap:16px;}
.contact-form input,
.contact-form textarea{
  background:var(--panel);
  border:1px solid var(--border);
  color:var(--text);
  padding:14px 16px;
  font-family:var(--font-body);
  font-size:14px;
  resize:vertical;
}
.contact-form input:focus,
.contact-form textarea:focus{
  outline:none; border-color:var(--green);
}
.contact-form button{align-self:flex-start;}

@media (max-width:750px){
  .contact-grid{grid-template-columns:1fr;}
}

/* ---------------- WHATSAPP FLOAT BUTTON ---------------- */
.whatsapp-btn{
  position:fixed;
  right:30px; bottom:30px;
  display:flex; align-items:center; gap:10px;
  padding:14px 22px 14px 16px;
  background:linear-gradient(120deg, #22c55e, #25D366 60%, #1fae57);
  color:#06140f;
  font-family:var(--font-body);
  font-weight:700;
  font-size:14px;
  border-radius:50px;
  box-shadow:0 0 0 1px rgba(46,230,166,0.4), 0 8px 26px rgba(37,211,102,0.45), 0 0 30px rgba(37,211,102,0.35);
  z-index:100;
  transition:transform .25s ease, box-shadow .25s ease;
  animation:wa-pulse 2.6s ease-in-out infinite;
}
.whatsapp-btn svg{flex-shrink:0;}
.whatsapp-label{white-space:nowrap;}
.whatsapp-btn:hover{
  transform:translateY(-4px) scale(1.04);
  box-shadow:0 0 0 1px var(--green), 0 10px 32px rgba(37,211,102,0.6), 0 0 40px rgba(37,211,102,0.55);
}
@keyframes wa-pulse{
  0%, 100%{ box-shadow:0 0 0 1px rgba(46,230,166,0.4), 0 8px 26px rgba(37,211,102,0.45), 0 0 30px rgba(37,211,102,0.35); }
  50%{ box-shadow:0 0 0 1px rgba(46,230,166,0.4), 0 8px 26px rgba(37,211,102,0.6), 0 0 46px rgba(37,211,102,0.6); }
}

@media (max-width:600px){
  .whatsapp-btn{
    right:16px; bottom:16px;
    padding:14px; border-radius:50%;
  }
  .whatsapp-label{display:none;}
}

/* ---------------- FOOTER ---------------- */
.footer{
  border-top:1px solid var(--border);
  padding:34px 6vw;
  display:flex; flex-direction:column; align-items:center; gap:14px;
  text-align:center;
}
.footer-links{display:flex; gap:24px;}
.footer-links a{font-size:13px; color:var(--text-dim);}
.footer-links a:hover{color:var(--green);}
.footer-bottom{font-size:12px; color:var(--text-dim);}