/* ===========================================================================
   Lite Work Designs — marketing site
   Direction: "Light & Airy" studio. Vast whitespace, light-weight display type,
   mono micro-labels, hairline rules, feathers drifting through the masthead.
   =========================================================================== */

/* ---- global overflow guard ----
   iOS Safari scrolls on documentElement and ignores a body-only horizontal
   clamp, so clamp both. `clip` (not `hidden`) keeps position:sticky working
   (the nav is sticky) and doesn't create a scroll container. */
html, body { overflow-x: clip; max-width: 100%; }

/* ---- shared primitives ---- */
.eyebrow{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.24em;
  font-size:.72rem;font-weight:400;color:var(--accent)}
.section{padding:7rem 1.5rem}
.section-in{max-width:var(--maxw);margin:0 auto}
.sec-head{margin-bottom:3rem;max-width:46rem}
.sec-head .eyebrow{display:block;margin-bottom:1rem}
h2{font-family:var(--font-display);font-weight:300;letter-spacing:-.02em;line-height:1.05;
  font-size:clamp(2rem,4.6vw,3.4rem);color:var(--text-strong)}
.lede{max-width:38rem;font-size:1.15rem;line-height:1.55;color:var(--text-soft);font-weight:400}

/* ---- feather brand mark (masked SVG, tints per theme) ---- */
.brand{display:inline-flex;align-items:center;gap:.6rem}
.brand-mark{width:32px;height:28px;display:inline-block;flex:none;
  background:url("../assets/feather.png") center/contain no-repeat}
.brand-name{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;
  font-size:1.02rem;color:var(--text-strong)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border-radius:999px;padding:.62rem 1.2rem;font-weight:500;font-size:.95rem;
  letter-spacing:.01em;transition:transform .14s ease,box-shadow .2s ease,background .2s ease,opacity .2s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-solid{background:var(--btn-bg);color:var(--btn-fg);box-shadow:var(--shadow-sm)}
.btn-solid:hover{box-shadow:var(--shadow)}
.btn-ghost{color:var(--text-soft)}
.btn-ghost:hover{color:var(--text-strong)}
.btn-line{border:1px solid var(--line-2);color:var(--text-strong)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:.92rem 1.7rem;font-size:1.02rem}
.btn-block{width:100%;margin-top:.4rem}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:blur(16px) saturate(1.1);-webkit-backdrop-filter:blur(16px) saturate(1.1);
  border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;gap:1.2rem}
.nav-links{display:flex;gap:1.6rem;margin-left:1.6rem;flex:1}
.nav-links a{font-family:var(--font-mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--text-soft);transition:color .2s}
.nav-links a:hover{color:var(--text-strong)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.theme-toggle{width:38px;height:38px;border-radius:999px;border:1px solid var(--line-2);
  display:grid;place-items:center;font-size:1rem;color:var(--text);transition:border-color .2s,color .2s}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle .ic-sun{display:none}
[data-theme="dark"] .theme-toggle .ic-moon{display:none}
[data-theme="dark"] .theme-toggle .ic-sun{display:inline}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;isolation:isolate;
  min-height:clamp(560px,86vh,860px);display:flex;align-items:center;
  padding:5rem 1.5rem 4rem}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60vw 50vh at 78% -8%, var(--glow-1), transparent 70%),
    radial-gradient(55vw 45vh at 8% 12%, var(--glow-2), transparent 72%),
    radial-gradient(50vw 42vh at 62% 108%, var(--glow-3), transparent 70%)}
.hero-in{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%}
.eyebrow{display:inline-block}
.hero-title{font-family:var(--font-display);font-weight:300;letter-spacing:-.035em;
  line-height:.98;font-size:clamp(3rem,9vw,7rem);color:var(--text-strong);margin:1.4rem 0 0}
.hero .lede{margin-top:1.6rem;font-size:clamp(1.1rem,1.6vw,1.35rem)}
.hero-cta{margin-top:2.4rem;display:flex;gap:.8rem;flex-wrap:wrap}

/* falling feathers */
.hero-feathers{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.feather{position:absolute;top:-16vh;width:48px;height:48px;opacity:.5;
  background:url("../assets/feather.png") center/contain no-repeat;
  animation:fall linear infinite, drift ease-in-out infinite}
@keyframes fall{
  0%{translate:0 -16vh;rotate:-6deg;opacity:0}
  12%{opacity:var(--o,.5)}
  88%{opacity:var(--o,.5)}
  100%{translate:0 122vh;rotate:12deg;opacity:0}
}
@keyframes drift{0%,100%{margin-left:0}50%{margin-left:40px}}
.feather:nth-child(1){left:5%;width:40px;height:40px;--o:.5;animation-duration:24s,9s;animation-delay:0s,0s}
.feather:nth-child(2){left:17%;width:54px;height:54px;--o:.42;animation-duration:31s,12s;animation-delay:-8s,-2s}
.feather:nth-child(3){left:30%;width:32px;height:32px;--o:.4;animation-duration:27s,8s;animation-delay:-16s,-4s}
.feather:nth-child(4){left:45%;width:46px;height:46px;--o:.46;animation-duration:35s,13s;animation-delay:-4s,-3s}
.feather:nth-child(5){left:59%;width:34px;height:34px;--o:.38;animation-duration:26s,10s;animation-delay:-20s,-5s}
.feather:nth-child(6){left:72%;width:58px;height:58px;--o:.32;animation-duration:38s,14s;animation-delay:-12s,-1s}
.feather:nth-child(7){left:84%;width:42px;height:42px;--o:.44;animation-duration:30s,9s;animation-delay:-24s,-6s}
.feather:nth-child(8){left:93%;width:30px;height:30px;--o:.4;animation-duration:22s,8s;animation-delay:-10s,-3s}

/* ---- services ---- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  border-top:1px solid var(--line)}
.svc{position:relative;padding:2rem 1.6rem 2.2rem;border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);transition:background .25s ease}
.svc:hover{background:var(--surface-2)}
.svc-no{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);letter-spacing:.1em}
.svc-name{font-family:var(--font-display);font-weight:400;font-size:1.5rem;letter-spacing:-.01em;
  color:var(--text-strong);margin:.7rem 0 .5rem}
.svc-desc{color:var(--text-soft);font-size:.98rem;line-height:1.5;max-width:24rem}

/* ---- gallery ---- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.1rem}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease}
.gallery figure:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.gallery img{display:block;width:100%;height:230px;object-fit:cover}
.gallery figcaption{padding:.8rem 1rem;font-family:var(--font-mono);font-size:.72rem;
  text-transform:uppercase;letter-spacing:.1em;color:var(--text-soft)}

/* ---- process ---- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0}
.steps li{padding:2rem 1.6rem;border-top:1px solid var(--line-2)}
.step-n{font-family:var(--font-mono);font-size:.78rem;color:var(--accent);letter-spacing:.1em}
.steps h3{font-family:var(--font-display);font-weight:400;font-size:1.3rem;color:var(--text-strong);margin:.9rem 0 .4rem}
.steps p{color:var(--text-soft);font-size:.96rem;line-height:1.5}

/* ---- reviews ---- */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.4rem}
.reviews .card{padding:2rem 1.8rem;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--surface)}
.reviews .rate{color:var(--accent);letter-spacing:.18em;font-size:.95rem}
.reviews .quote{font-family:var(--font-display);font-weight:300;font-size:1.32rem;line-height:1.4;
  letter-spacing:-.01em;color:var(--text-strong);margin:1rem 0 1.1rem}
.reviews .who{font-family:var(--font-mono);font-size:.74rem;text-transform:uppercase;
  letter-spacing:.12em;color:var(--text-soft)}

/* ---- start / contact ---- */
.section-start{border-top:1px solid var(--line)}
.start-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.start-copy .eyebrow{display:block;margin-bottom:1rem}
.start-copy h2{margin-bottom:1.1rem}
form .field{margin-bottom:1rem;display:flex;flex-direction:column}
form label{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-soft);display:flex;flex-direction:column;gap:.5rem}
form input,form select,form textarea{border:1px solid var(--line-2);border-radius:12px;
  padding:.78rem .9rem;font-size:1rem;background:var(--surface);color:var(--text);
  font-family:var(--font-body);transition:border-color .2s,box-shadow .2s}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.err{color:var(--danger);font-family:var(--font-mono);font-size:.72rem;min-height:1rem;margin-top:.3rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.status{margin-top:.9rem;font-family:var(--font-mono);font-size:.82rem;letter-spacing:.04em}
.status.ok{color:var(--success)}
.status.bad{color:var(--danger)}

/* ---- footer ---- */
.footer{padding:3rem 1.5rem;border-top:1px solid var(--line)}
.footer-in{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.footer-links{display:flex;gap:1.4rem}
.footer-links a{font-family:var(--font-mono);font-size:.74rem;text-transform:uppercase;
  letter-spacing:.12em;color:var(--text-soft)}
.footer-links a:hover{color:var(--text-strong)}
.footer-meta{font-family:var(--font-mono);font-size:.74rem;color:var(--text-soft)}

/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;z-index:80;background:rgba(10,12,18,.84);
  display:grid;place-items:center;padding:2rem;backdrop-filter:blur(6px)}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:var(--radius)}
.lightbox-close{position:absolute;top:1.1rem;right:1.4rem;font-size:2rem;color:#fff;line-height:1}

/* ---- responsive ---- */
@media (max-width:820px){
  .start-grid{grid-template-columns:1fr;gap:2rem}
}
@media (max-width:680px){
  .section{padding:4.5rem 1.2rem}
  .nav-links{display:none}
  .brand-name{display:none}
  .row{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding:4rem 1.2rem 3rem}
}

/* ---- entrance intro (first visit of day / 5h+ gap) ---- */
#intro{display:none}
[data-intro="play"] #intro{
  display:grid;place-items:center;position:fixed;inset:0;z-index:200;background:var(--bg);
  animation:introOut 2.2s ease forwards}
.intro-stack{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1.1rem}
.intro-mark{width:92px;height:92px;background:url("../assets/feather.png") center/contain no-repeat;
  animation:introMark 1.5s cubic-bezier(.2,.7,.2,1) both}
.intro-word{font-family:var(--font-display);font-weight:300;font-size:1.6rem;letter-spacing:.01em;
  color:var(--text-strong);opacity:0;animation:introWord .9s ease .55s both}
.intro-feathers{position:absolute;inset:0;overflow:hidden;z-index:1;pointer-events:none}
.intro-feather{position:absolute;top:-14vh;width:34px;height:34px;opacity:.4;
  background:url("../assets/feather.png") center/contain no-repeat;animation:fall linear infinite}
.intro-feather:nth-child(1){left:20%;animation-duration:6s;animation-delay:-1s}
.intro-feather:nth-child(2){left:44%;width:26px;height:26px;opacity:.3;animation-duration:7s;animation-delay:-3s}
.intro-feather:nth-child(3){left:66%;width:42px;height:42px;opacity:.34;animation-duration:8s;animation-delay:-2s}
.intro-feather:nth-child(4){left:82%;width:24px;height:24px;opacity:.3;animation-duration:6.5s;animation-delay:-4s}
@keyframes introMark{0%{transform:translateY(-34px) rotate(-8deg);opacity:0}60%{opacity:1}100%{transform:translateY(0) rotate(0);opacity:1}}
@keyframes introWord{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes introOut{0%,72%{opacity:1;visibility:visible}100%{opacity:0;visibility:hidden}}

/* ---- motion preferences ---- */
@media (prefers-reduced-motion:reduce){
  .feather{animation:none;opacity:.32}
  .feather:nth-child(even){top:18%}
  .feather:nth-child(odd){top:60%}
  *{scroll-behavior:auto}
  [data-intro="play"] #intro{animation:introOut .5s ease forwards}
  .intro-mark,.intro-word{animation:none;opacity:1}
  .intro-feather{display:none}
}

/* rotating hero tagline — soft crossfade */
.hero-title--rotate{transition:opacity .4s ease}
.hero-title--rotate.is-fading{opacity:0}
@media (prefers-reduced-motion: reduce){ .hero-title--rotate{transition:none} }