/* ============================================================
   Nikklab 2.0 — warm-charcoal dark, copper accent, mono-accented
   ============================================================ */

:root {
  /* color */
  --bg:        #0b0a09;
  --bg-2:      #100e0c;
  --surface:   #15120f;
  --surface-2: #1c1813;
  --line:        rgba(241,228,208,0.085);
  --line-strong: rgba(241,228,208,0.16);
  --ink:    #f4efe6;
  --ink-2:  #b3a89a;
  --ink-3:  #837a6d;
  --accent:      #cf6f3c;
  --accent-ink:  #e89260;
  --accent-soft: rgba(207,111,60,0.13);
  --accent-line: rgba(207,111,60,0.35);
  --pos: #6fbf8e;
  --neg: #d77063;

  /* type */
  --sans: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* layout */
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 56px);
  --r: 14px;
  --r-lg: 22px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #15110d; }

a { color: inherit; text-decoration: none; }
img, canvas { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- shared bits ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent-line);
}
.eyebrow.plain::before { display: none; }

.muted { color: var(--ink-2); }
.mono { font-family: var(--mono); }

h1, h2, h3 { font-weight: 700; line-height: 1.04; letter-spacing: -0.035em; text-wrap: balance; }

.section { padding-block: clamp(84px, 12vw, 168px); position: relative; }
.section-head { max-width: 720px; }
.section-head h2 {
  font-size: clamp(34px, 5.4vw, 60px);
  margin-top: 20px;
}
.section-head p { margin-top: 22px; color: var(--ink-2); font-size: clamp(17px, 2vw, 20px); max-width: 56ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  padding: 14px 22px;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s;
  white-space: nowrap;
}
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: #1a120c; }
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink-2); background: rgba(241,228,208,0.04); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
  padding-top: env(safe-area-inset-top);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; letter-spacing: -0.03em; }
.brand .logo { display: inline-flex; align-items: center; }
.brand .logo svg { display: block; transition: transform .5s var(--ease); }
.brand:hover .logo svg { transform: rotate(-4deg) scale(1.05); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.04em;
  color: var(--ink-2); padding: 9px 14px; border-radius: 100px;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--ink); background: rgba(241,228,208,0.05); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 10px;
  }
  .nav-toggle span { width: 22px; height: 1.6px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s; }
  .nav.open .nav-toggle span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }
  .mobile-menu {
    position: fixed; top: calc(74px + env(safe-area-inset-top)); left: 0; right: 0; z-index: 55;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    display: grid; gap: 4px; padding: 18px var(--pad) 30px;
    transform: translateY(-130%); transition: transform .45s var(--ease); pointer-events: none;
  }
  .nav.open .mobile-menu { transform: translateY(0); pointer-events: auto; }
  .mobile-menu a { font-family: var(--mono); font-size: 15px; padding: 14px 6px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
  .mobile-menu a:last-of-type { border: 0; }
}
@media (min-width: 861px) { .mobile-menu { display: none; } }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; padding-top: calc(clamp(118px, 22vw, 168px) + env(safe-area-inset-top)); padding-bottom: clamp(70px, 10vw, 130px); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: -2px;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(241,228,208,0.10) 1px, transparent 0);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(115% 90% at 30% 0%, #000 0%, transparent 68%);
          mask-image: radial-gradient(115% 90% at 30% 0%, #000 0%, transparent 68%);
  opacity: .5;
}
.hero-glow {
  position: absolute; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  top: -28%; left: 8%;
  background: radial-gradient(circle, rgba(207,111,60,0.30), transparent 62%);
  filter: blur(20px);
  animation: breathe 13s var(--ease) infinite;
}
.hero-glow.two {
  top: 18%; left: auto; right: -12%;
  background: radial-gradient(circle, rgba(207,111,60,0.13), transparent 64%);
  animation-delay: -6s; animation-duration: 17s;
}
@keyframes breathe {
  0%,100% { transform: translate(0,0) scale(1); opacity: .9; }
  50%     { transform: translate(3%, 4%) scale(1.12); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .hero-glow { animation: none; } }

.hero-inner { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(46px, 9.2vw, 122px);
  letter-spacing: -0.045em;
  margin-top: 30px;
  max-width: 15ch;
}
.hero h1 .soft { color: var(--ink-3); }
.hero p.lead {
  margin-top: 30px; max-width: 52ch;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--ink-2);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: clamp(56px, 8vw, 96px);
  padding-top: 30px; border-top: 1px solid var(--line);
}
.hero-meta .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3); }
.hero-meta .v { margin-top: 8px; font-size: clamp(15px, 1.8vw, 18px); color: var(--ink); }
@media (max-width: 620px) { .hero-meta { grid-template-columns: 1fr 1fr; } .hero-meta .third { display: none; } }

/* ============================================================
   WORK
   ============================================================ */
#work { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 40%, var(--bg) 100%); }

.work-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.work-count { font-family: var(--mono); font-size: 13px; color: var(--ink-3); letter-spacing: 0.04em; }

/* product tag pills (shared by product cards) */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--ink-2); padding: 6px 11px; border: 1px solid var(--line-strong);
  border-radius: 100px;
}

/* two-up grid (Vectamail + Trader Journal) */
.work-grid { margin-top: clamp(40px, 6vw, 72px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px, 2.5vw, 26px); }
@media (max-width: 880px) { .work-grid { grid-template-columns: 1fr; } }

.pcard {
  border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface);
  padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column;
  transition: border-color .4s var(--ease), transform .4s var(--ease), background .4s;
}
.pcard:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.pcard .mock { margin-bottom: 28px; }
.pcard .idx { font-family: var(--mono); font-size: 13px; color: var(--accent-ink); letter-spacing: 0.1em; }
.pcard h3 { font-size: clamp(24px, 3vw, 32px); margin-top: 14px; }
.pcard .desc { margin-top: 14px; color: var(--ink-2); flex: 1; }
.pcard .foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; flex-wrap: wrap; }
.pcard .link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12.5px; color: var(--ink); transition: gap .3s var(--ease), color .3s; }
.pcard:hover .link { gap: 13px; color: var(--accent-ink); }

/* vectamail mock — inbox */
.mail { border: 1px solid var(--line-strong); border-radius: 12px; background: #0a0908; overflow: hidden; }
.mail-top { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.mail-top .t { font-weight: 600; font-size: 14px; }
.mail-top .pill { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); border: 1px solid var(--accent-line); padding: 4px 8px; border-radius: 100px; }
.mrow { display: grid; grid-template-columns: 28px 1fr auto; gap: 12px; align-items: center; padding: 13px 16px; border-bottom: 1px solid rgba(241,228,208,0.045); }
.mrow:last-child { border: 0; }
.mrow .av { width: 28px; height: 28px; border-radius: 8px; background: var(--surface-2); display: grid; place-items: center; font-family: var(--mono); font-size: 11px; color: var(--ink-2); }
.mrow .from { font-size: 13.5px; font-weight: 600; }
.mrow .sub { font-size: 12px; color: var(--ink-3); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 30ch; }
.mrow .when { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); }
.mrow.ai { background: rgba(207,111,60,0.05); }
.mrow .sum { font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); }

/* trader journal mock */
.journal { border: 1px solid var(--line-strong); border-radius: 12px; background: #0a0908; padding: 18px; }
.journal-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.journal-top .d { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.06em; }
.journal-top .pl { font-family: var(--mono); font-size: 15px; font-weight: 600; color: var(--pos); }
.spark { width: 100%; height: 62px; display: block; }
.jtags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.jtag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; padding: 5px 9px; border-radius: 6px; }
.jtag.win { background: rgba(111,191,142,0.12); color: var(--pos); }
.jtag.miss { background: rgba(215,112,99,0.12); color: var(--neg); }
.jtag.n { background: rgba(241,228,208,0.06); color: var(--ink-2); }
.jline { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.jline b { color: var(--ink); font-weight: 500; }

/* ============================================================
   STUDIO
   ============================================================ */
.studio-quote {
  margin-top: clamp(40px, 6vw, 70px);
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1.18;
  max-width: 22ch; text-wrap: balance;
}
.studio-quote .em { color: var(--accent-ink); }
.principles { margin-top: clamp(50px, 7vw, 90px); display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 44px); }
@media (max-width: 760px) { .principles { grid-template-columns: 1fr; gap: 34px; } }
.principle { border-top: 1px solid var(--line-strong); padding-top: 22px; }
.principle .n { font-family: var(--mono); font-size: 12px; color: var(--accent-ink); letter-spacing: 0.1em; }
.principle h4 { font-size: 21px; font-weight: 600; letter-spacing: -0.03em; margin-top: 16px; }
.principle p { margin-top: 12px; color: var(--ink-2); font-size: 15.5px; }

/* ============================================================
   CONTACT
   ============================================================ */
#contact { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.contact-grid { margin-top: clamp(44px, 6vw, 76px); display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(34px, 5vw, 80px); align-items: start; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; gap: 50px; } }

.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.field input, .field textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 12px; padding: 15px 17px; color: var(--ink); font-family: var(--sans); font-size: 16px;
  transition: border-color .3s, background .3s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent-line); background: var(--surface-2); }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-msg { font-family: var(--mono); font-size: 12.5px; color: var(--pos); opacity: 0; transform: translateY(4px); transition: .4s var(--ease); }
.form-msg.show { opacity: 1; transform: none; }

.contact-side .block { margin-bottom: 34px; }
.contact-side .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.contact-side .big { font-size: clamp(20px, 2.6vw, 26px); font-weight: 600; letter-spacing: -0.03em; }
.contact-side .big a { border-bottom: 1px solid var(--accent-line); transition: color .3s; }
.contact-side .big a:hover { color: var(--accent-ink); }
.contact-side .v { color: var(--ink-2); }
.contact-side .v a { color: var(--ink); border-bottom: 1px solid var(--line-strong); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding-block: 46px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer .brand { font-size: 17px; }
.footer .legal { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.03em; }
.footer .flinks { display: flex; gap: 22px; }
.footer .flinks a { font-family: var(--mono); font-size: 12px; color: var(--ink-2); transition: color .25s; }
.footer .flinks a:hover { color: var(--ink); }

/* ============================================================
   reveal — resting state is ALWAYS visible in static CSS, so
   no-JS, reduced-motion AND the DOM-cloning screenshotter all
   show content. The entrance is a one-shot Web Animations API
   tween (see app.js) that leaves no persistent CSS on the node.
   ============================================================ */
.reveal { opacity: 1; }