/* =========================================================
   Foldex — Editorial Software Studio
   ========================================================= */

:root {
  --bg: #0a0a0a;
  --bg-2: #0d0d0e;
  --ink: #ece8e1;
  --ink-dim: #8a857c;
  --ink-faint: #2a2926;
  --rule: #1c1b19;
  --accent: #d6cfc0;     /* warm bone */
  --accent-2: #b46a3a;   /* burnt sienna */
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --easing: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em { font-style: italic; font-family: var(--serif); font-weight: 400; }
::selection { background: var(--accent); color: var(--bg); }

/* ============ film grain ============ */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============ progress bar ============ */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 1px;
  background: transparent; z-index: 90;
}
.progress span {
  display: block; height: 100%; width: 0%;
  background: var(--ink);
  transition: width .1s linear;
}

/* ============ nav ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 1.4rem clamp(1.2rem, 4vw, 3rem);
  font-size: 0.78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  mix-blend-mode: difference;
}
.nav__mark {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  display: inline-flex; align-items: baseline; gap: 4px;
}
.nav__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-2);
  display: inline-block;
}
.nav__links { display: flex; gap: clamp(1rem, 3vw, 2.4rem); justify-self: center; }
.nav__links a { position: relative; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--easing);
}
.nav__links a:hover::after { transform: scaleX(1); }
.nav__time { justify-self: end; font-family: var(--mono); font-size: .7rem; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  padding: clamp(1.2rem, 4vw, 3rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 2rem;
  border-bottom: 1px solid var(--rule);
}
.hero__meta {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 3rem;
}
.hero__status { display: inline-flex; align-items: center; gap: .55rem; }
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: #6fe39a;
  box-shadow: 0 0 0 0 rgba(111,227,154,.6);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(111,227,154,.5); }
  70%  { box-shadow: 0 0 0 10px rgba(111,227,154,0); }
  100% { box-shadow: 0 0 0 0 rgba(111,227,154,0); }
}

.hero__title {
  align-self: center;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.6rem, 13vw, 13rem);
  line-height: .95;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 14ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .word {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 1.1s var(--easing) forwards;
}
.hero__title .line:nth-child(2) .word { animation-delay: .14s; }

@keyframes rise {
  to { transform: translateY(0); }
}

.hero__sub {
  max-width: 44ch;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.55rem);
  color: var(--ink-dim);
  margin: 0;
  align-self: end;
  opacity: 0;
  animation: fade 1s var(--easing) .5s forwards;
  line-height: 1.4;
}
.hero__scroll {
  position: absolute;
  right: clamp(1.2rem, 4vw, 3rem);
  bottom: clamp(1.2rem, 4vw, 3rem);
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0;
  animation: fade 1s var(--easing) .8s forwards;
}
.hero__line {
  display: block; width: 60px; height: 1px; background: var(--ink-dim);
  position: relative; overflow: hidden;
}
.hero__line::after {
  content: ""; position: absolute; inset: 0; background: var(--ink);
  transform: translateX(-100%);
  animation: sweep 2.4s var(--easing) infinite;
}
@keyframes sweep { 0% {transform:translateX(-100%);} 60%{transform:translateX(100%);} 100%{transform:translateX(100%);} }
@keyframes fade { to { opacity: 1; } }

/* ============ services ============ */
.services {
  padding: clamp(6rem, 12vw, 10rem) clamp(1.2rem, 4vw, 3rem);
  max-width: 1400px; margin: 0 auto;
}
.services__head { margin-bottom: 5rem; }
.kicker {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: .6rem;
}
.dot {
  width: 6px; height: 6px; background: var(--accent-2); border-radius: 50%;
  display: inline-block;
}
.services__head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1; margin: 1.5rem 0 0; letter-spacing: -.02em;
}

.services__list {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--rule);
}
.srv {
  display: grid;
  grid-template-columns: 80px 1fr 2fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  opacity: 0; transform: translateY(30px);
  transition: opacity .9s var(--easing), transform .9s var(--easing), padding-left .5s var(--easing);
}
.srv.in { opacity: 1; transform: translateY(0); }
.srv:hover { padding-left: 1.2rem; }
.srv__num {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--ink-dim);
  letter-spacing: .15em;
}
.srv h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  line-height: 1; margin: 0;
  letter-spacing: -.01em;
  font-style: italic;
}
.srv p {
  font-size: 1.02rem; color: var(--ink-dim); margin: 0; max-width: 56ch;
  line-height: 1.6;
}

/* ============ stack grid ============ */
.stack {
  padding: clamp(6rem, 12vw, 10rem) clamp(1.2rem, 4vw, 3rem);
  max-width: 1400px; margin: 0 auto;
  border-top: 1px solid var(--rule);
}
.stack__head { margin-bottom: 4rem; }
.stack__head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1; margin: 1.5rem 0 0; letter-spacing: -.02em;
}

.stack__grid {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.stack__grid li {
  background: var(--bg);
  padding: clamp(1.6rem, 3.5vw, 2.6rem) clamp(1.2rem, 2vw, 1.8rem);
  display: flex; flex-direction: column; gap: .8rem;
  min-height: clamp(140px, 18vw, 200px);
  justify-content: space-between;
  transition: background .4s var(--easing);
  position: relative;
  overflow: hidden;
}
.stack__grid li:hover {
  background: var(--bg-2);
}
.stack__grid li::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent-2);
  transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--easing);
}
.stack__grid li:hover::after { transform: scaleX(1); }

.stack__n {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .2em; color: var(--ink-dim);
}
.stack__name {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  line-height: 1; letter-spacing: -.01em;
  color: var(--ink);
}

/* ============ contact ============ */
.contact {
  padding: clamp(6rem, 14vw, 12rem) clamp(1.2rem, 4vw, 3rem);
  max-width: 1400px; margin: 0 auto;
}
.contact__kicker {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-dim);
  display: flex; align-items: center; gap: .6rem;
}
.contact__title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: .95; letter-spacing: -.02em;
  margin: 1.4rem 0 4rem;
}

.contact__grid {
  display: grid; gap: 0;
  border-top: 1px solid var(--rule);
  margin-bottom: 5rem;
}
.contact__row {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 1rem;
  padding: 1.8rem .4rem;
  align-items: center;
  border-bottom: 1px solid var(--rule);
  transition: padding-left .4s var(--easing), color .4s var(--easing);
}
.contact__row:hover {
  padding-left: 1.4rem;
  color: var(--accent);
}
.contact__label {
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-dim);
}
.contact__value {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}
.contact__arrow {
  font-family: var(--serif); font-size: 1.6rem;
  transition: transform .4s var(--easing);
}
.contact__row:hover .contact__arrow {
  transform: translate(4px, -4px);
}

.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  max-width: 720px;
}
.contact__form label {
  display: grid; gap: .5rem;
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-dim);
}
.contact__form-wide { grid-column: 1 / -1; }
.contact__form input,
.contact__form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: .8rem 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  outline: none;
  transition: border-color .3s var(--easing);
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  border-color: var(--ink);
}
.contact__form button {
  grid-column: 1 / -1;
  justify-self: start;
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 1rem 2rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .3s var(--easing), background .3s var(--easing);
}
.contact__form button:hover {
  transform: translateY(-2px);
  background: var(--accent);
}

/* ============ footer ============ */
.foot {
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.2rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
}
.foot__meta {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--ink-dim);
}

/* ============ responsive ============ */
@media (max-width: 800px) {
  .srv {
    grid-template-columns: 50px 1fr;
    gap: 1rem 1.2rem;
  }
  .srv p { grid-column: 1 / -1; max-width: none; margin-top: .4rem; }
  .stack__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "label arrow"
      "value arrow";
  }
  .contact__label { grid-area: label; }
  .contact__value { grid-area: value; }
  .contact__arrow { grid-area: arrow; align-self: center; }
  .contact__form { grid-template-columns: 1fr; }
  .nav__links { gap: 1rem; font-size: .7rem; }
  .nav__time { display: none; }
  .hero__meta { font-size: .65rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero__title .word { transform: translateY(0); }
  .hero__sub, .hero__scroll { opacity: 1; }
}