/* =====================================================================
   Ranjan Chatterjee — Linux SysAdmin / Hosting Founder / Tool Builder
   Blend identity: deep navy ground + Ubuntu-orange accent + terminal motifs.
   ===================================================================== */

:root {
  /* Color */
  --ground:      #050816;
  --ground-2:    #0a0e20;
  --text:        #ffffff;
  --text-dim:    #9aa6bf;
  --text-faint:  #5d6a86;
  --heading:     #ffffff;

  --accent:      #e95420; /* Ubuntu orange — primary signal */
  --accent-dark: #c94218;
  --accent-soft: rgba(233, 84, 32, 0.14);
  --accent-line: rgba(233, 84, 32, 0.32);

  --blue:        #2563eb;
  --sky:         #0ea5e9;
  --success:     #22c55e;

  --card:        rgba(255, 255, 255, 0.045);
  --card-hover:  rgba(255, 255, 255, 0.07);
  --border:      rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.17);
  --grid-line:   rgba(148, 163, 184, 0.05);

  --dot-red: #ff5f57; --dot-amber: #febc2e; --dot-green: #28c840;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --nav-h: 68px;
  --r-sm: 9px; --r-md: 13px; --r-lg: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 1rem); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(820px 480px at 88% -8%, rgba(233, 84, 32, 0.16), transparent 60%),
    radial-gradient(680px 460px at 6% 6%, rgba(37, 99, 235, 0.12), transparent 55%);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(circle at 50% 26%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 50% 26%, #000, transparent 78%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; color: var(--heading); }
p { margin: 0; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 200; }
.skip-link:focus { left: 1rem; top: 1rem; padding: .6rem 1rem; background: var(--accent); color: #fff; border-radius: var(--r-sm); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.page-main { padding-top: var(--nav-h); }
.section { padding-block: clamp(3.5rem, 7vw, 6rem); position: relative; }
.section-alt { background: rgba(255,255,255,0.018); border-block: 1px solid var(--border); }

/* ---------- Icons ---------- */
.ui-icon { display: inline-flex; align-items: center; justify-content: center; width: 1rem; height: 1rem; flex-shrink: 0; }
.ui-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.85; stroke-linecap: round; stroke-linejoin: round; }
.btn-icon { width: .95rem; height: .95rem; }
.text-link-icon { width: .85rem; height: .85rem; }
.inline-icon { width: .9rem; height: .9rem; vertical-align: -.15em; color: var(--accent); }
.icon-badge {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: var(--r-sm); border: 1px solid var(--accent-line); background: var(--accent-soft); color: var(--accent); flex-shrink: 0;
}
.icon-badge .ui-icon { width: 1.25rem; height: 1.25rem; }

/* ---------- Command-line eyebrow ---------- */
.cmd-eyebrow {
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: .12rem;
  padding: .42rem .8rem; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,0.03);
  font-family: var(--font-mono); font-size: .76rem; line-height: 1.4; max-width: 100%; width: fit-content; overflow-wrap: anywhere;
}
.cl-user { color: var(--accent); font-weight: 600; }
.cl-host { color: var(--success); font-weight: 600; }
.cl-at, .cl-sep { color: var(--text-faint); }
.cl-cmd { color: var(--text-dim); margin-left: .35ch; }
.cl-cursor::after { content: "▋"; color: var(--accent); margin-left: .1ch; animation: blink 1.1s step-end infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 44px; padding: .7rem 1.3rem; border-radius: var(--r-sm);
  border: 1px solid transparent; font-family: var(--font-mono); font-size: .85rem; font-weight: 500; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:disabled { opacity: .6; pointer-events: none; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 26px -10px rgba(233,84,32,.85); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 14px 36px -10px rgba(233,84,32,.95); }
.btn-secondary { border-color: var(--border-strong); background: var(--card); color: var(--heading); }
.btn-secondary:hover { border-color: var(--accent-line); background: var(--accent-soft); color: var(--accent); }
.btn-lg { min-height: 52px; padding: .9rem 1.7rem; font-size: .92rem; }

.text-link { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); font-family: var(--font-mono); font-size: .8rem; font-weight: 500; transition: gap .2s var(--ease); }
.text-link:not(.is-ext)::after { content: "→"; transition: transform .2s var(--ease); }
.text-link:hover { gap: .6rem; }

/* ---------- Nav ---------- */
.site-nav { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 100; border-bottom: 1px solid transparent; transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease); }
.site-nav.is-scrolled { background: rgba(5,8,22,.78); backdrop-filter: blur(16px) saturate(160%); border-bottom-color: var(--border); }
.nav-inner { height: var(--nav-h); max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); display: flex; align-items: center; gap: 1.2rem; }
.nav-brand { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; font-family: var(--font-display); font-weight: 700; font-size: .85rem; box-shadow: 0 4px 16px -4px rgba(233,84,32,.7); }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-logo.is-footer { height: 34px; }
@media (max-width: 600px) { .brand-logo { height: 26px; } }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: .95rem; line-height: 1.1; }
.brand-name small { display: block; font-family: var(--font-mono); font-size: .58rem; letter-spacing: .04em; color: var(--text-faint); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: .15rem; margin-left: auto; }
.nav-link { font-family: var(--font-mono); font-size: .82rem; color: var(--text-dim); padding: .5rem .8rem; border-radius: 7px; transition: color .2s, background .2s; }
.nav-link:hover, .nav-link.is-active { color: #fff; background: rgba(255,255,255,.06); }
.nav-end { display: flex; align-items: center; gap: .7rem; }
.nav-available { display: inline-flex; align-items: center; gap: .45rem; padding: .35rem .75rem; border-radius: 999px; border: 1px solid rgba(34,197,94,.28); background: rgba(34,197,94,.08); color: var(--success); font-family: var(--font-mono); font-size: .72rem; white-space: nowrap; }
.nav-available::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(34,197,94,.18); animation: blink 2.4s ease-in-out infinite; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); }
.nav-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-drawer { position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99; display: flex; flex-direction: column; gap: .2rem; padding: 1rem var(--gutter) 1.6rem; background: rgba(5,8,22,.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); transform: translateY(-120%); transition: transform .35s var(--ease); }
.nav-drawer.is-open { transform: translateY(0); }
.nav-drawer .nav-link { font-size: 1rem; padding: .85rem .5rem; border-bottom: 1px solid var(--border); border-radius: 0; }
.nav-drawer .btn { margin-top: .9rem; }
.nav-drawer .nav-available { margin-top: .9rem; align-self: flex-start; }
@media (max-width: 900px) {
  .nav-links, .nav-available { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- HERO ---------- */
.hero { position: relative; min-height: calc(100svh - var(--nav-h)); display: flex; align-items: center; padding-block: clamp(2.5rem, 6vw, 5rem); overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-veil { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(5,8,22,.15) 0%, rgba(5,8,22,.5) 72%, var(--ground) 100%); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.95fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.hero-copy { display: grid; gap: 1.25rem; align-content: center; }
.hero-eyebrow { display: flex; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .78rem; flex-wrap: wrap; }
.status-live { display: inline-flex; align-items: center; gap: .45rem; color: var(--success); }
.status-live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 10px var(--success); animation: blink 2s infinite; }
.dot-sep { color: var(--text-faint); }
.muted-mono { color: var(--text-dim); }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.6rem); letter-spacing: -.035em; line-height: .98; }
.hero-title span { display: block; background: linear-gradient(120deg, #fff 40%, #cdd6e6 90%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-title .accent-line { background: linear-gradient(120deg, var(--accent), #ff8a4c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtext { color: var(--text-dim); font-size: 1.06rem; max-width: 54ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .3rem; }
.scroll-cue { display: inline-flex; align-items: center; gap: .55rem; margin-top: 1rem; font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint); }
.scroll-cue-line { width: 30px; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); }

/* ---------- Desktop / terminal window ---------- */
.desktop-window { display: flex; flex-direction: column; min-width: 0; max-width: 100%; border: 1px solid var(--border-strong); border-radius: var(--r-lg); background: rgba(8,11,26,.82); backdrop-filter: blur(20px); box-shadow: 0 24px 64px -20px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.04); overflow: hidden; }
.hero-terminal { min-height: 360px; }
.window-titlebar { display: flex; align-items: center; gap: .8rem; min-height: 44px; padding: 0 1rem; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.03); flex-shrink: 0; }
.window-controls { display: flex; gap: .45rem; flex-shrink: 0; }
.window-controls span { width: 12px; height: 12px; border-radius: 50%; }
.is-red { background: var(--dot-red); } .is-amber { background: var(--dot-amber); } .is-green { background: var(--dot-green); }
.window-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-faint); font-family: var(--font-mono); font-size: .78rem; }
.window-tag { color: var(--text-faint); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.window-content { flex: 1; min-width: 0; padding: 1.1rem 1.2rem; min-height: 0; max-height: 60vh; overflow: auto; overflow-wrap: anywhere; }

/* typing terminal */
.typing-terminal { font-family: var(--font-mono); font-size: .82rem; line-height: 1.65; }
.term-output { display: block; }
.term-cmd-line, .term-prompt-line { display: flex; align-items: baseline; flex-wrap: wrap; white-space: pre-wrap; word-break: break-word; }
.term-out-line { color: var(--text-dim); white-space: pre-wrap; word-break: break-word; }
.term-out-line.key { color: #cdd6e6; } .term-out-line.ok { color: var(--success); } .term-out-line.dim { color: var(--text-faint); }
.typing-prompt-user { color: var(--accent); font-weight: 500; }
.typing-prompt-host { color: var(--success); font-weight: 500; }
.term-at, .term-sep { color: var(--text-faint); }
.cmd-text { color: #fff; }
.typing-cursor::after, .term-input { color: #fff; }
.typing-cursor::after { content: "▋"; color: var(--accent); animation: blink 1.1s step-end infinite; }
.term-input { flex: 1; min-width: 8ch; border: none; background: transparent; outline: none; font-family: var(--font-mono); font-size: .82rem; padding: 0; caret-color: var(--accent); }

/* ---------- Stats strip ---------- */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; margin-top: -1.5rem; position: relative; z-index: 3; }
.stats-item { background: rgba(8,11,26,.7); padding: 1.2rem 1.3rem; }
.stat-num { display: block; font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; color: #fff; letter-spacing: -.02em; }
.stat-label { display: block; margin-top: .35rem; font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); line-height: 1.45; }
@media (max-width: 820px) { .stats-strip { grid-template-columns: repeat(2, 1fr); margin-top: 0; } }

/* ---------- Section headings ---------- */
.section-heading { display: grid; gap: .8rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-heading.is-centered { justify-items: center; text-align: center; }
.section-title { font-size: clamp(1.7rem, 3.5vw, 2.6rem); max-width: 22ch; }
.section-lead { color: var(--text-dim); max-width: 56ch; font-size: 1.02rem; }
.is-centered .section-lead { margin-inline: auto; }
.row-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: clamp(1.8rem, 3vw, 2.4rem); }
.row-head .cmd-eyebrow { margin-bottom: .7rem; }

/* ---------- Cards & grids ---------- */
.card { position: relative; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--card); padding: 1.5rem; transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease); }
.card:hover { border-color: var(--border-strong); background: var(--card-hover); }
.card-grid { display: grid; gap: 1.1rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 940px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 720px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 620px) { .grid-3 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: minmax(0, 1fr); } }

/* ops state pill */
.ops-state { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .65rem; border-radius: 999px; font-family: var(--font-mono); font-size: .68rem; text-transform: lowercase; white-space: nowrap; }
.ops-state::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.ops-good { color: var(--success); background: rgba(34,197,94,.1); }
.ops-live { color: var(--sky); background: rgba(14,165,233,.1); }
.ops-label { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); }

/* project card */
.project-card { display: flex; flex-direction: column; gap: .85rem; }
.pc-top { display: flex; align-items: center; justify-content: space-between; }
.pc-head { display: flex; align-items: baseline; justify-content: space-between; gap: .7rem; flex-wrap: wrap; }
.pc-head h3 { font-size: 1.3rem; }
.pc-tag { font-family: var(--font-mono); font-size: .7rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; }
.pc-summary { color: var(--text-dim); font-size: .93rem; }
.stack-list { display: flex; flex-wrap: wrap; gap: .45rem; }
.stack-list span { font-family: var(--font-mono); font-size: .72rem; padding: .3rem .6rem; border-radius: 7px; border: 1px solid var(--border); background: rgba(255,255,255,.03); color: var(--text-dim); }
.pc-actions { display: flex; align-items: center; gap: 1.1rem; margin-top: auto; padding-top: .5rem; }

/* service cards / blocks */
.service-card { display: flex; flex-direction: column; gap: .7rem; }
.service-card h3 { font-size: 1.2rem; }
.service-card p { color: var(--text-dim); font-size: .93rem; flex: 1; }
.service-stack { display: grid; gap: 1.3rem; }
.service-block { display: grid; gap: 1.3rem; padding: clamp(1.5rem, 3vw, 2.4rem); position: relative; overflow: hidden; }
.service-block::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--accent), transparent); opacity: .55; }
.sb-top { display: flex; align-items: center; gap: 1rem; }
.sb-num { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 500; color: var(--accent); opacity: .5; line-height: 1; flex-shrink: 0; }
.sb-titles h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); }
.sb-tagline { color: var(--text-dim); font-family: var(--font-mono); font-size: .82rem; margin-top: .3rem; }
.service-desc { color: var(--text-dim); max-width: 72ch; }
.service-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem; }
.col-title { font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: .8rem; }
.sb-foot { display: flex; align-items: center; justify-content: space-between; gap: .9rem 1.5rem; flex-wrap: wrap; padding-top: 1.2rem; border-top: 1px solid var(--border); }
.sb-foot .stack-list { flex: 1; min-width: 60%; }
.sb-foot .text-link { white-space: nowrap; }
@media (max-width: 680px) { .service-cols { grid-template-columns: minmax(0, 1fr); } }

/* credibility row (services hero) */
.cred-row { display: flex; flex-wrap: wrap; gap: .55rem 1.6rem; margin-top: 1.5rem; padding: 0; }
.cred-row li { list-style: none; font-family: var(--font-mono); font-size: .82rem; color: var(--text-dim); }
.cred-row strong { color: var(--accent); font-size: .98rem; margin-right: .35rem; }

/* how-we-work process */
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1.1rem; padding: 0; margin: 0; }
.process-step { list-style: none; display: grid; gap: .6rem; align-content: start; padding: 1.4rem; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--card); transition: border-color .3s var(--ease), transform .3s var(--ease); }
.process-step:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.step-num { font-family: var(--font-mono); font-size: .76rem; color: var(--accent); letter-spacing: .12em; }
.process-step .icon-badge { width: 40px; height: 40px; }
.process-step h3 { font-size: 1.05rem; }
.process-step p { color: var(--text-dim); font-size: .89rem; }
@media (max-width: 940px) { .process-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 540px) { .process-grid { grid-template-columns: minmax(0, 1fr); } }

/* engagement formats */
.engage-card { display: grid; gap: .7rem; align-content: start; }
.engage-card h3 { font-size: 1.05rem; }
.engage-card p { color: var(--text-dim); font-size: .9rem; }

/* feature list */
.feature-list { display: grid; gap: .6rem; }
.feature-list li { position: relative; padding-left: 1.2rem; color: var(--text-dim); font-size: .92rem; list-style: none; }
.feature-list li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); font-weight: 700; }
ul { margin: 0; padding: 0; }

/* skill / timeline cards */
.skill-card { display: grid; gap: .8rem; }
.skill-card h3 { font-size: 1.1rem; }
.timeline-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1.1rem; }
.timeline-card { display: grid; gap: .55rem; align-content: start; }
.timeline-period { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); letter-spacing: .04em; }
.timeline-card h3 { font-size: 1.05rem; }
.timeline-card p { color: var(--text-dim); font-size: .88rem; }
@media (max-width: 940px) { .timeline-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 540px) { .timeline-grid { grid-template-columns: minmax(0, 1fr); } }

/* testimonials */
.testimonial { display: flex; flex-direction: column; gap: 1rem; margin: 0; }
.testimonial blockquote { margin: 0; font-size: .96rem; line-height: 1.7; color: #e6ebf5; position: relative; padding-left: 1.1rem; }
.testimonial blockquote::before { content: ""; position: absolute; left: 0; top: .25em; bottom: .25em; width: 3px; border-radius: 2px; background: var(--accent); opacity: .7; }
.testimonial figcaption { display: flex; flex-direction: column; gap: .15rem; padding-top: .8rem; border-top: 1px solid var(--border); }
.t-name { font-family: var(--font-display); font-weight: 600; font-size: .9rem; }
.t-role { font-family: var(--font-mono); font-size: .74rem; color: var(--text-faint); }

/* CTA band */
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding: clamp(1.6rem, 4vw, 2.6rem); border: 1px solid var(--accent-line); border-radius: var(--r-lg); background: radial-gradient(circle at 80% 0%, rgba(233,84,32,.12), transparent 55%), var(--card); }
.cta-band p { color: var(--text-dim); max-width: 52ch; margin-top: .5rem; }

/* ---------- Form fields ---------- */
.field { width: 100%; background: rgba(5,8,22,.6); border: 1px solid var(--border-strong); border-radius: var(--r-sm); color: #fff; padding: .75rem .9rem; font-family: var(--font-mono); font-size: .88rem; transition: border-color .2s, box-shadow .2s; }
.field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(233,84,32,.14); }
textarea.field { resize: vertical; min-height: 130px; line-height: 1.6; font-family: var(--font-body); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem); border-bottom: 1px solid var(--border); }
.page-hero .cmd-eyebrow { margin-bottom: 1.1rem; }
.page-title { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -.03em; }
.page-lead { color: var(--text-dim); font-size: 1.08rem; max-width: 60ch; margin-top: 1rem; }
.back-link { display: inline-block; margin-bottom: 1.2rem; font-family: var(--font-mono); font-size: .8rem; color: var(--text-dim); }
.back-link:hover { color: var(--accent); }

/* detail page */
.detail-hero { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(300px,.9fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.detail-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(280px,.85fr); gap: clamp(1.5rem, 4vw, 2.5rem); align-items: start; }
.detail-content { display: grid; gap: 1.1rem; }
.detail-block { display: grid; gap: .7rem; }
.detail-block h2 { font-size: 1.3rem; } .detail-block h3 { font-size: 1.05rem; }
.detail-block p { color: var(--text-dim); }
.detail-sidebar { display: grid; gap: 1.1rem; position: sticky; top: calc(var(--nav-h) + 1.2rem); }
.muted { color: var(--text-faint); font-family: var(--font-mono); font-size: .8rem; word-break: break-word; }
@media (max-width: 880px) { .detail-hero, .detail-grid { grid-template-columns: minmax(0, 1fr); } .detail-sidebar { position: static; } }

/* systemctl-status terminal (project detail hero) */
.status-window .window-content { display: grid; gap: .5rem; }
.status-window .term-cmd-line { margin-bottom: .15rem; }
.svc-head { display: flex; align-items: center; gap: .55rem; min-width: 0; font-family: var(--font-mono); font-size: .86rem; color: #fff; overflow-wrap: anywhere; }
.svc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); flex-shrink: 0; }
.svc-dot.is-up { background: var(--success); box-shadow: 0 0 8px var(--success); animation: blink 2.4s ease-in-out infinite; }
.status-window .svc-k { color: var(--accent); }
.status-window .ok { color: var(--success); }
.status-window .svc-dim { color: var(--text-faint); }

/* profile card (about) */
.profile-card { display: grid; gap: .5rem; font-family: var(--font-mono); font-size: .82rem; }
.profile-line { display: flex; gap: 1ch; }
.tpk { color: var(--accent); min-width: 11ch; }
.tpv { color: #fff; } .tpv-ok { color: var(--success); }

/* faq */
.faq-list { display: grid; gap: .7rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--r-md); background: var(--card); padding: 0 1.2rem; }
.faq-item summary { cursor: pointer; padding: 1.1rem 0; font-family: var(--font-display); font-weight: 500; font-size: 1.02rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq-item summary::after { content: "+"; color: var(--accent); font-family: var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--text-dim); padding-bottom: 1.1rem; font-size: .94rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.05fr); gap: clamp(1.5rem, 4vw, 2.5rem); align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
.contact-info { display: grid; gap: 1rem; align-content: start; }
.contact-info .card { display: grid; gap: .7rem; }
.contact-info h3 { font-size: 1.05rem; }
.contact-primary { background: radial-gradient(circle at 90% 0%, rgba(233,84,32,.12), transparent 55%), var(--card); border-color: var(--accent-line); }
.contact-email { font-family: var(--font-display); font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 600; color: #fff; word-break: break-word; }
.social-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.social-card { display: flex; align-items: center; gap: .7rem; padding: .7rem .85rem; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--card); transition: border-color .2s, background .2s, transform .2s; }
.social-card:hover { border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }
.social-card .icon-badge { width: 34px; height: 34px; }
.social-copy { display: grid; min-width: 0; }
.social-copy strong { font-size: .88rem; }
.social-copy span { font-family: var(--font-mono); font-size: .7rem; color: var(--text-faint); overflow-wrap: anywhere; }
@media (max-width: 460px) { .social-row { grid-template-columns: minmax(0, 1fr); } }

.form-shell { padding: clamp(1.5rem, 3vw, 2.2rem); }
.lead-form { display: grid; gap: 1rem; }
.lead-form label { display: grid; gap: .4rem; font-family: var(--font-mono); font-size: .78rem; color: var(--text-dim); }
.lead-form .opt { color: var(--text-faint); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: minmax(0, 1fr); } }
.form-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-status { font-family: var(--font-mono); font-size: .8rem; color: var(--text-faint); }
.form-status[data-state="pending"] { color: var(--dot-amber); }
.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: #fca5a5; }
.form-note { font-family: var(--font-mono); font-size: .74rem; color: var(--text-faint); }
.field[aria-invalid="true"] { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,.12); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* 404 */
.section-404 { min-height: 60vh; display: flex; align-items: center; }
.not-found { display: grid; gap: 1rem; justify-items: center; text-align: center; margin-inline: auto; }
.not-found-output { display: grid; gap: .3rem; padding: .9rem 1.1rem; border: 1px solid var(--border); border-radius: var(--r-sm); background: rgba(0,0,0,.3); font-family: var(--font-mono); font-size: .82rem; }
.err-line { color: #fca5a5; } .ok-line { color: var(--success); }

/* ---------- Footer ---------- */
.site-footer { position: relative; border-top: 1px solid var(--border); padding-block: clamp(3rem, 6vw, 4.5rem) 1.8rem; background: linear-gradient(180deg, rgba(255,255,255,.022), transparent 60%); }
.footer-accent { position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: .5; }
.footer-top { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.4fr; gap: 2.5rem; }
.footer-brand .nav-brand { margin-bottom: 1.1rem; }
.footer-bio { color: var(--text-dim); font-size: .9rem; max-width: 42ch; line-height: 1.7; }
.footer-socials { display: flex; gap: .55rem; margin-top: 1.2rem; }
.footer-socials a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text-dim); transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease); }
.footer-socials a:hover { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
.footer-socials .ui-icon { width: 1.05rem; height: 1.05rem; }
.footer-col h4 { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-faint); margin-bottom: 1.1rem; }
.footer-col ul { display: grid; gap: .55rem; }
.footer-col li { list-style: none; }
.footer-col a { color: var(--text-dim); font-size: .92rem; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-contact { display: grid; gap: .7rem; align-content: start; }
.footer-status { display: inline-flex; align-items: center; gap: .45rem; width: fit-content; font-family: var(--font-mono); font-size: .74rem; color: var(--success); border: 1px solid rgba(34,197,94,.28); background: rgba(34,197,94,.08); border-radius: 999px; padding: .32rem .7rem; }
.footer-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(34,197,94,.18); animation: blink 2.4s ease-in-out infinite; }
.footer-contact .btn { margin-top: .35rem; width: fit-content; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; justify-content: space-between; align-items: center; margin-top: clamp(2.2rem, 4vw, 3rem); padding-top: 1.5rem; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: .75rem; color: var(--text-faint); }
.footer-note { opacity: .8; }
.footer-cmd { display: inline-flex; align-items: center; gap: .6rem; }
.footer-uptime { color: var(--text-faint); }
@media (max-width: 940px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; } .footer-brand, .footer-contact { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: minmax(0, 1fr); } .footer-bottom { justify-content: flex-start; } }

/* ---------- Chrome extensions page ---------- */
code { font-family: var(--font-mono); color: var(--accent); background: rgba(233,84,32,.08); padding: .1em .42em; border-radius: 5px; font-size: .9em; }
.ext-meta { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; margin-top: 1.2rem; }
.ext-meta li { list-style: none; display: inline-flex; align-items: center; gap: .45rem; font-family: var(--font-mono); font-size: .8rem; color: var(--text-dim); }
.ext-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1.1rem; }
.ext-card { display: flex; flex-direction: column; gap: .8rem; }
.ext-head { display: flex; align-items: center; gap: .8rem; }
.ext-title { display: flex; align-items: baseline; gap: .6rem; flex-wrap: wrap; }
.ext-title h3 { font-size: 1.2rem; }
.ext-version { font-family: var(--font-mono); font-size: .68rem; color: var(--text-faint); border: 1px solid var(--border); border-radius: 999px; padding: .12rem .5rem; }
.ext-store { display: inline-flex; align-items: center; gap: .35rem; font-family: var(--font-mono); font-size: .66rem; color: var(--success); background: rgba(34,197,94,.1); border-radius: 999px; padding: .14rem .55rem; }
.ext-store::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }
.ext-tagline { color: var(--heading); font-weight: 500; }
.ext-desc { color: var(--text-dim); font-size: .92rem; }
.ext-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: auto; padding-top: .4rem; }
.ext-actions .btn { flex: 1; min-width: 140px; }
.install-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(1.5rem,4vw,3rem); align-items: center; }
.install-window { align-self: stretch; }
.install-window .window-content { font-size: .82rem; }
.install-window .term-out-line { padding: .1rem 0; }
.ext-privacy { margin-top: 1.4rem; }
@media (max-width: 940px) { .ext-grid { grid-template-columns: minmax(0, 1fr); max-width: 560px; } }
@media (max-width: 860px) { .install-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Back to top ---------- */
.totop { position: fixed; right: 1.3rem; bottom: 1.3rem; z-index: 90; width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--border); background: rgba(5,8,22,.82); backdrop-filter: blur(8px); display: grid; place-items: center; color: var(--accent); opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; }
.totop.show { opacity: 1; pointer-events: auto; }
.totop:hover { border-color: var(--accent-line); transform: translateY(-3px); }

/* ---------- Reveal (progressive enhancement) ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* =====================================================================
   Responsive refinements (mobile-first overrides; later cascade wins)
   ===================================================================== */
@media (max-width: 880px) {
  .hero { min-height: auto; align-items: stretch; padding-block: clamp(2rem, 8vw, 3.5rem); }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }   /* stack — drop the 330px min column */
  .hero-terminal { min-height: 280px; }
}
@media (max-width: 600px) {
  :root { --gutter: 1.15rem; }
  .brand-name small { display: none; }          /* keep the nav bar to one tidy line */
  .hero-title { font-size: clamp(2.05rem, 9vw, 3rem); }
  .row-head { flex-direction: column; align-items: flex-start; }
  .window-content { max-height: 52vh; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hero-actions { width: 100%; }
  .hero-actions .btn,
  .cta-band .btn,
  .form-actions .btn { width: 100%; }           /* full-width = easier tap targets */
  .form-actions { flex-direction: column; align-items: stretch; gap: .7rem; }
  .nav-inner { gap: .75rem; }
  .stat-num { font-size: 1.6rem; }
  .pc-head h3 { font-size: 1.18rem; }
}