/* ============================================================
   Hritam Kar — Portfolio Design System
   Theme: infra monitoring / devops dashboard
   ============================================================ */

:root{
  --bg: #0B1220;
  --surface: #111A2C;
  --surface-2: #15203A;
  --line: rgba(94,234,212,0.14);
  --line-strong: rgba(94,234,212,0.32);
  --text: #E8EDF5;
  --text-muted: #8B98AD;
  --text-dim: #5C6982;
  --teal: #5EEAD4;
  --amber: #F5A524;
  --red: #FB7185;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', sans-serif;
  --radius: 10px;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  background:
    linear-gradient(180deg, rgba(94,234,212,0.03) 0%, transparent 10%),
    var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  overflow-x:hidden;
  opacity:0;
  animation:pageIn .5s ease forwards;
}
@keyframes pageIn{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);} }

.grid-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(94,234,212,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,234,212,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

a{ color:inherit; text-decoration:none; }
::selection{ background:var(--teal); color:#04231F; }

.wrap{ max-width:1040px; margin:0 auto; padding:0 28px; position:relative; z-index:1; }

/* ---------- NAV ---------- */
header.nav{
  position:fixed; top:0; left:0; right:0; z-index:80;
  backdrop-filter: blur(10px);
  background:rgba(11,18,32,0.75);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1040px; margin:0 auto; padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav-logo{
  font-family:var(--mono); font-size:13px; font-weight:700;
  color:var(--teal); letter-spacing:0.5px;
  display:flex; align-items:center; gap:8px;
}
.dot{
  width:7px; height:7px; border-radius:50%; background:var(--teal);
  box-shadow:0 0 0 0 rgba(94,234,212,0.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(94,234,212,0.55);}
  70%{ box-shadow:0 0 0 8px rgba(94,234,212,0);}
  100%{ box-shadow:0 0 0 0 rgba(94,234,212,0);}
}
nav.links{ display:flex; gap:26px; font-family:var(--mono); font-size:12.5px; }
nav.links a{
  color:var(--text-muted); position:relative; padding:4px 0;
  transition:color .2s ease;
}
nav.links a::before{ content:"./"; color:var(--text-dim); }
nav.links a:hover, nav.links a:focus-visible{ color:var(--teal); }
nav.links a.active{ color:var(--teal); }
nav.links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px; background:var(--teal);
}

.nav-cta{
  font-family:var(--mono); font-size:12px; border:1px solid var(--line-strong);
  padding:8px 14px; border-radius:7px; color:var(--teal);
  transition:background .2s ease, color .2s ease;
}
.nav-cta:hover{ background:var(--teal); color:#04231F; }

.menu-btn{
  display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:6px;
}
.menu-btn span{ width:20px; height:2px; background:var(--teal); display:block; transition:.25s ease; }

@media (max-width:800px){
  nav.links{
    position:fixed; top:57px; left:0; right:0; bottom:0;
    background:var(--bg); flex-direction:column; gap:0;
    padding:10px 28px 40px; transform:translateY(-110%); opacity:0;
    transition:transform .3s ease, opacity .3s ease; z-index:70;
  }
  nav.links.open{ transform:translateY(0); opacity:1; }
  nav.links a{ padding:16px 0; border-bottom:1px solid var(--line); font-size:15px; }
  .nav-cta{ display:none; }
  .menu-btn{ display:flex; }
}

/* ---------- PAGE HEADER (non-home pages) ---------- */
.page-head{ padding:150px 0 50px; border-top:none; }
.eyebrow{
  font-family:var(--mono); font-size:12.5px; color:var(--teal);
  letter-spacing:1.5px; text-transform:uppercase;
  display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow .rule{ width:36px; height:1px; background:var(--line-strong); }
h1.page-title{
  font-weight:800; font-size:clamp(32px,5.4vw,54px); letter-spacing:-1.5px; line-height:1.04;
}
h1.page-title .accent{ color:var(--teal); }
.page-sub{
  font-family:var(--mono); font-size:14px; color:var(--text-muted); margin-top:16px; max-width:620px;
}

/* ---------- HERO (home only) ---------- */
.hero{ padding:150px 0 70px; }
h1.name{
  font-weight:800; font-size:clamp(38px, 6.4vw, 68px);
  letter-spacing:-1.5px; line-height:1.02;
}
h1.name .accent{ color:var(--teal); }
.role-line{
  font-family:var(--mono); font-size:clamp(14px,2.2vw,18px);
  color:var(--text-muted); margin-top:16px; max-width:640px; min-height:26px;
}
.role-line .cursor{
  display:inline-block; width:8px; height:16px; background:var(--teal);
  margin-left:2px; vertical-align:middle; animation:blink 1s step-end infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.btn{
  font-family:var(--mono); font-size:13px; padding:12px 20px; border-radius:8px;
  border:1px solid var(--line-strong); transition:background .2s ease, color .2s ease, transform .2s ease;
  display:inline-flex; align-items:center; gap:8px;
}
.btn:hover{ transform:translateY(-2px); }
.btn.primary{ background:var(--teal); color:#04231F; border-color:var(--teal); }
.btn.primary:hover{ background:#7ff2df; }
.btn.ghost{ color:var(--teal); }
.btn.ghost:hover{ background:rgba(94,234,212,0.08); }

/* status panel — signature element */
.panel{
  margin-top:46px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, var(--surface), var(--surface-2));
  overflow:hidden;
}
.panel-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 18px; border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:11.5px; color:var(--text-dim);
}
.panel-head .tag{ display:flex; align-items:center; gap:8px; color:var(--teal); }
.traffic{ display:flex; gap:6px; }
.traffic span{ width:9px; height:9px; border-radius:50%; background:#2A3652; }

.panel-grid{ display:grid; grid-template-columns:repeat(4, 1fr); }
@media (max-width:720px){ .panel-grid{ grid-template-columns:repeat(2,1fr); } }

.metric{ padding:20px 18px; border-right:1px solid var(--line); border-top:1px solid var(--line); }
.metric:nth-child(4n){ border-right:none; }
@media (max-width:720px){
  .metric:nth-child(2n){ border-right:none; }
  .metric:nth-child(4n){ border-right:1px solid var(--line); }
}
.metric-label{
  font-family:var(--mono); font-size:10.5px; color:var(--text-dim);
  text-transform:uppercase; letter-spacing:1px; margin-bottom:8px;
}
.metric-value{ font-family:var(--mono); font-size:20px; font-weight:700; color:var(--text); }
.metric-value.teal{ color:var(--teal); }
.metric-value.amber{ color:var(--amber); }

/* ---------- SECTION SHARED ---------- */
section{ padding:88px 0; position:relative; z-index:1; border-top:1px solid var(--line); }
section.no-border{ border-top:none; }
.sec-head{ display:flex; align-items:baseline; gap:14px; margin-bottom:44px; flex-wrap:wrap; }
.sec-num{ font-family:var(--mono); font-size:12.5px; color:var(--teal); }
.sec-title{ font-weight:800; font-size:clamp(24px,3.4vw,32px); letter-spacing:-0.5px; }
.sec-sub{ font-family:var(--mono); font-size:12.5px; color:var(--text-dim); margin-left:auto; }
@media(max-width:600px){ .sec-sub{ display:none; } }

.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- HOME TEASERS ---------- */
.teaser-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:22px; }
@media(max-width:760px){ .teaser-grid{ grid-template-columns:1fr; } }
.teaser-card{
  border:1px solid var(--line); border-radius:var(--radius); background:var(--surface);
  padding:26px; transition:border-color .25s ease, transform .25s ease;
}
.teaser-card:hover{ border-color:var(--line-strong); transform:translateY(-3px); }
.teaser-label{ font-family:var(--mono); font-size:10.5px; color:var(--teal); text-transform:uppercase; letter-spacing:1px; margin-bottom:10px; }
.teaser-title{ font-size:19px; font-weight:700; margin-bottom:10px; }
.teaser-desc{ color:var(--text-muted); font-size:14.5px; margin-bottom:16px; }
.teaser-link{ font-family:var(--mono); font-size:12.5px; color:var(--teal); display:inline-flex; gap:6px; align-items:center; }
.teaser-link::after{ content:"→"; transition:transform .2s ease; }
.teaser-link:hover::after{ transform:translateX(3px); }

/* ---------- EXPERIENCE (deploy log) ---------- */
.log-entry{
  display:grid; grid-template-columns:150px 1fr; gap:28px;
  padding:28px 0; border-top:1px solid var(--line);
}
.log-entry:first-child{ border-top:none; }
@media(max-width:640px){ .log-entry{ grid-template-columns:1fr; gap:10px; } }
.log-meta{ font-family:var(--mono); font-size:11.5px; color:var(--text-dim); }
.log-status{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:10.5px; padding:3px 9px;
  border-radius:20px; border:1px solid var(--line-strong); margin-top:10px;
}
.log-status.live{ color:var(--teal); }
.log-status.done{ color:var(--text-muted); border-color:var(--line); }
.log-status .sq{ width:6px; height:6px; border-radius:1px; background:currentColor; }
.log-title{ font-size:19px; font-weight:700; margin-bottom:4px; }
.log-org{ font-family:var(--mono); font-size:12.5px; color:var(--teal); margin-bottom:14px; }
.log-lines{ list-style:none; }
.log-lines li{ position:relative; padding-left:22px; margin-bottom:9px; color:var(--text-muted); font-size:14.5px; }
.log-lines li::before{ content:"›"; position:absolute; left:0; color:var(--teal); font-family:var(--mono); font-weight:700; }

/* ---------- PROJECTS ---------- */
.proj-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:22px; }
@media(max-width:760px){ .proj-grid{ grid-template-columns:1fr; } }
.proj-card{
  border:1px solid var(--line); border-radius:var(--radius); background:var(--surface);
  padding:26px; display:flex; flex-direction:column; gap:14px;
  transition:border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  position:relative; overflow:hidden;
}
.proj-card::before{
  content:""; position:absolute; inset:0; opacity:0; pointer-events:none;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%), rgba(94,234,212,0.08), transparent 60%);
  transition:opacity .3s ease;
}
.proj-card:hover::before{ opacity:1; }
.proj-card:hover{ border-color:var(--line-strong); transform:translateY(-3px); }
.proj-card.flagship{ grid-column:1 / -1; background:linear-gradient(135deg, var(--surface), var(--surface-2)); }
.proj-top{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.proj-name{ font-size:18px; font-weight:700; }
.proj-badge{
  font-family:var(--mono); font-size:10px; letter-spacing:0.5px; text-transform:uppercase;
  padding:3px 9px; border-radius:20px; border:1px solid var(--line-strong); color:var(--teal); white-space:nowrap;
}
.proj-badge.build{ color:var(--amber); border-color:rgba(245,165,36,0.35); }
.proj-desc{ color:var(--text-muted); font-size:14.5px; }
.proj-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{ font-family:var(--mono); font-size:11px; color:var(--text-dim); border:1px solid var(--line); padding:3px 9px; border-radius:5px; }
.proj-link{ font-family:var(--mono); font-size:12.5px; color:var(--teal); margin-top:auto; display:inline-flex; gap:6px; align-items:center; }
.proj-link::after{ content:"→"; transition:transform .2s ease; }
.proj-link:hover::after{ transform:translateX(3px); }

/* ---------- STACK ---------- */
.stack-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:32px 40px; }
@media(max-width:640px){ .stack-grid{ grid-template-columns:1fr; } }
.stack-group-title{
  font-family:var(--mono); font-size:11px; color:var(--text-dim);
  text-transform:uppercase; letter-spacing:1px; margin-bottom:14px;
  display:flex; align-items:center; gap:8px;
}
.stack-group-title::before{ content:"//"; color:var(--teal); }
.stack-tags{ display:flex; flex-wrap:wrap; gap:9px; }
.stack-tag{
  font-family:var(--mono); font-size:12.5px; padding:7px 12px;
  border:1px solid var(--line); border-radius:6px; color:var(--text); background:var(--surface);
  transition:border-color .2s ease, transform .2s ease;
}
.stack-tag:hover{ border-color:var(--line-strong); transform:translateY(-2px); }

/* ---------- CREDENTIALS ---------- */
.cred-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
@media(max-width:640px){ .cred-grid{ grid-template-columns:1fr; } }
.cred-card{ border:1px solid var(--line); border-radius:var(--radius); padding:22px; background:var(--surface); }
.cred-label{ font-family:var(--mono); font-size:10.5px; color:var(--teal); text-transform:uppercase; letter-spacing:1px; margin-bottom:10px; }
.cred-main{ font-size:16px; font-weight:700; margin-bottom:4px; }
.cred-sub{ color:var(--text-muted); font-size:13.5px; }
.beyond{ margin-top:26px; }
.beyond-row{ display:flex; gap:14px; padding:14px 0; border-top:1px solid var(--line); font-size:14px; color:var(--text-muted); }
.beyond-row:first-child{ border-top:none; }
.beyond-row .k{ font-family:var(--mono); color:var(--text); min-width:190px; font-size:13px; }

/* ---------- FREELANCE / CONTACT ---------- */
.freelance-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media(max-width:760px){ .freelance-grid{ grid-template-columns:1fr; } }
.freelance-card{ border:1px solid var(--line); border-radius:var(--radius); padding:24px; background:var(--surface); }
.freelance-icon{ font-family:var(--mono); color:var(--teal); font-size:13px; margin-bottom:14px; }
.freelance-title{ font-weight:700; font-size:16px; margin-bottom:8px; }
.freelance-desc{ color:var(--text-muted); font-size:14px; }

.form-panel{
  border:1px solid var(--line); border-radius:var(--radius); background:var(--surface);
  padding:30px; margin-top:44px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
@media(max-width:640px){ .form-row{ grid-template-columns:1fr; } }
.field label{ font-family:var(--mono); font-size:11px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.5px; display:block; margin-bottom:8px; }
.field input, .field textarea{
  width:100%; background:var(--bg); border:1px solid var(--line); border-radius:7px;
  padding:11px 13px; color:var(--text); font-family:var(--sans); font-size:14px;
  transition:border-color .2s ease;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--teal); }
.field textarea{ resize:vertical; min-height:110px; }
.submit-note{ font-family:var(--mono); font-size:11.5px; color:var(--text-dim); margin-top:12px; }

/* ---------- FOOTER ---------- */
footer{ border-top:1px solid var(--line); padding:70px 0 40px; position:relative; z-index:1; }
.term{ font-family:var(--mono); font-size:13px; color:var(--text-dim); margin-bottom:8px; }
.term .p{ color:var(--teal); }
.contact-title{ font-weight:800; font-size:clamp(26px,4vw,38px); margin:18px 0 30px; letter-spacing:-0.5px; }
.contact-links{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:60px; }
.contact-links a{
  font-family:var(--mono); font-size:13px; border:1px solid var(--line); padding:11px 18px; border-radius:8px;
  display:flex; align-items:center; gap:8px; color:var(--text); transition:border-color .2s ease, color .2s ease;
}
.contact-links a:hover{ border-color:var(--teal); color:var(--teal); }
.foot-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family:var(--mono); font-size:11px; color:var(--text-dim); padding-top:24px; border-top:1px solid var(--line);
}

/* ---------- DETAIL PAGE (project deep dive) ---------- */
.detail-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.pill{ font-family:var(--mono); font-size:11px; border:1px solid var(--line-strong); color:var(--teal); padding:5px 12px; border-radius:20px; }
.pill.amber{ color:var(--amber); border-color:rgba(245,165,36,0.4); }

.arch-steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media(max-width:800px){ .arch-steps{ grid-template-columns:1fr 1fr; } }
@media(max-width:480px){ .arch-steps{ grid-template-columns:1fr; } }
.arch-step{ border:1px solid var(--line); border-radius:var(--radius); padding:18px; background:var(--surface); position:relative; }
.arch-step .n{ font-family:var(--mono); font-size:11px; color:var(--teal); margin-bottom:10px; }
.arch-step h4{ font-size:14.5px; margin-bottom:8px; }
.arch-step p{ font-size:13px; color:var(--text-muted); }
.arch-arrow{ display:none; }
@media(min-width:801px){
  .arch-step:not(:last-child)::after{
    content:"→"; position:absolute; right:-20px; top:50%; transform:translateY(-50%);
    color:var(--text-dim); font-family:var(--mono);
  }
}

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
@media(max-width:760px){ .two-col{ grid-template-columns:1fr; } }
.body-copy p{ color:var(--text-muted); margin-bottom:14px; font-size:15px; }
.body-copy strong{ color:var(--text); }

.back-link{ font-family:var(--mono); font-size:12.5px; color:var(--text-dim); display:inline-flex; gap:8px; align-items:center; margin-bottom:20px; }
.back-link:hover{ color:var(--teal); }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

a:focus-visible, button:focus-visible{ outline:2px solid var(--teal); outline-offset:2px; }