/* ==========================================================================
   ArthZen Solutions - styles.css
   Brand palette derived from the ArthZen logo (mint #a5e9dd, lime #c1ff72, ink)
   Typeface: Jost across display, body and utility roles
   ========================================================================== */

:root{
  /* Core palette */
  --ink:        #0C1110;
  --ink-2:      #132320;
  --ink-3:      #1D2E2A;
  --paper:      #FAFBF8;
  --mist:       #EDF3EE;
  --line:       #DFE7E1;
  --muted:      #5C6A66;

  /* Brand accents (from logo) */
  --mint:       #A5E9DD;
  --lime:       #C1FF72;
  --teal-deep:  #0E6B5C;
  --grad:       linear-gradient(120deg, var(--mint) 0%, var(--lime) 100%);

  /* Type scale */
  --f-hero: clamp(2.15rem, 1.15rem + 3.6vw, 4.15rem);
  --f-h2:   clamp(1.75rem, 1.15rem + 2.1vw, 2.9rem);
  --f-h3:   clamp(1.12rem, 1rem + 0.4vw, 1.35rem);
  --f-lead: clamp(1.02rem, 0.96rem + 0.35vw, 1.2rem);
  --f-body: clamp(0.98rem, 0.94rem + 0.2vw, 1.06rem);

  /* Layout */
  --wrap: 1200px;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
  --sec-y: clamp(4rem, 7vw, 7.5rem);
  --r: 4px;
  --r-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(12,17,16,.05), 0 8px 24px -18px rgba(12,17,16,.35);
  --shadow-md: 0 2px 6px rgba(12,17,16,.06), 0 30px 60px -40px rgba(12,17,16,.5);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:88px; }
body{
  margin:0;
  font-family:'Jost',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:var(--f-body);
  font-weight:400;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
h1,h2,h3{ margin:0 0 .5em; line-height:1.1; font-weight:600; letter-spacing:-.02em; }
p{ margin:0 0 1.1em; }
ul,ol{ margin:0; padding:0; list-style:none; }
address{ font-style:normal; }

:focus-visible{ outline:2px solid var(--teal-deep); outline-offset:3px; border-radius:2px; }

.sprite{ position:absolute; width:0; height:0; overflow:hidden; }
.ic{ width:1.25em; height:1.25em; flex:none; display:block; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:var(--paper); padding:.7rem 1.1rem;
}
.skip-link:focus{ left:1rem; top:1rem; }

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

/* ---------- Shared type devices ---------- */
.eyebrow{
  font-size:.72rem; font-weight:500; text-transform:uppercase;
  letter-spacing:.28em; color:var(--muted);
  display:flex; align-items:center; gap:.7rem; margin:0 0 1.1rem;
}
.eyebrow--light{ color:rgba(250,251,248,.72); }
.tick{
  width:22px; height:2px; flex:none; border-radius:2px;
  background:var(--grad); transform:skewX(-38deg);
}
.h2{ font-size:var(--f-h2); max-width:20ch; }
.section-sub{ color:var(--muted); font-size:var(--f-lead); font-weight:300; max-width:56ch; }
.section-head{ margin-bottom:clamp(2.2rem,4vw,3.5rem); max-width:760px; }
.section-head--light .h2{ color:var(--paper); }
.section-head--light .section-sub{ color:rgba(250,251,248,.68); }

.mini-label{
  display:block; font-size:.66rem; font-weight:500; letter-spacing:.24em;
  text-transform:uppercase; color:var(--muted); margin-bottom:.15rem;
}
.link-arrow{
  display:inline-flex; align-items:center; gap:.4rem;
  font-weight:500; border-bottom:1px solid var(--line);
  padding-bottom:2px; transition:border-color .2s, gap .2s;
}
.link-arrow:hover{ border-color:var(--teal-deep); gap:.65rem; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.92rem 1.6rem; border:1px solid transparent; border-radius:var(--r);
  font-weight:500; font-size:.95rem; letter-spacing:.02em; cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{ background:var(--grad); color:var(--ink); box-shadow:var(--shadow-sm); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px -14px rgba(94,196,150,.65); }
.btn-ghost{ border-color:rgba(250,251,248,.32); color:var(--paper); }
.btn-ghost:hover{ background:rgba(250,251,248,.08); transform:translateY(-2px); }
.btn-dark{ background:var(--ink); color:var(--paper); }
.btn-dark:hover{ background:var(--ink-3); transform:translateY(-2px); }
.btn-sm{ padding:.6rem 1.05rem; font-size:.85rem; }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.6; cursor:not-allowed; transform:none; }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  padding:.85rem 0; transition:background .3s, box-shadow .3s, padding .3s;
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:1.5rem; }
.brand{ display:block; flex:none; position:relative; z-index:3; }
.brand-logo{ width:auto; height:clamp(34px,4.4vw,44px); transition:height .3s; }
.brand-logo--dark{ display:none; }
.site-header.scrolled{
  background:rgba(250,251,248,.92);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  box-shadow:0 1px 0 var(--line);
  padding:.55rem 0;
}
.site-header.scrolled .brand-logo--light{ display:none; }
.site-header.scrolled .brand-logo--dark{ display:block; }

.nav{ display:flex; align-items:center; gap:clamp(1rem,2.2vw,2rem); }
.nav a{
  font-size:.92rem; font-weight:400; color:rgba(250,251,248,.82);
  position:relative; padding:.25rem 0;
}
.nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--grad); transition:width .25s ease;
}
.nav a:hover::after,
.nav a.is-active::after{ width:100%; }
.nav a.is-active{ color:var(--paper); }
.site-header.scrolled .nav a.is-active{ color:var(--ink); }
.nav a.nav-cta::after{ display:none; }
.site-header.scrolled .nav a{ color:var(--ink); }

.nav a.nav-cta{
  display:inline-flex; align-items:center; justify-content:center;
  margin-left:.7rem; padding:.75rem 1.5rem;
  border-radius:100px; background:var(--grad);
  color:var(--ink) !important; font-weight:500; font-size:.9rem;
  letter-spacing:.01em; line-height:1; white-space:nowrap;
  box-shadow:0 10px 24px -14px rgba(120,214,158,.9);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.nav a.nav-cta:hover{ transform:translateY(-2px); box-shadow:0 16px 30px -14px rgba(120,214,158,1); filter:saturate(115%); }
.nav a.nav-cta:active{ transform:translateY(0); }

.nav-toggle{
  display:none; position:relative; z-index:3;
  width:44px; height:40px; background:none; border:0; cursor:pointer;
  flex-direction:column; justify-content:center; gap:5px; padding:0;
}
.nav-toggle span{ display:block; height:2px; width:24px; background:var(--paper); transition:transform .25s, opacity .2s; margin-left:auto; }
.nav-toggle span:nth-child(2){ width:18px; }
.site-header.scrolled .nav-toggle span{ background:var(--ink); }
.nav-toggle[aria-expanded="true"] span{ background:var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); width:24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); width:24px; }

/* ---------- Hero ---------- */
.in{ opacity:0; transform:translateY(14px); animation:fadeUp .7s cubic-bezier(.2,.7,.3,1) forwards; animation-delay:var(--d,0ms); }
@keyframes fadeUp{ to{ opacity:1; transform:none; } }

.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(80% 60% at 78% 8%, rgba(165,233,221,.16), transparent 60%),
    radial-gradient(70% 55% at 8% 92%, rgba(193,255,114,.12), transparent 62%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  color:var(--paper);
  padding:clamp(8.5rem,15vw,11.5rem) 0 0;
}
.hero-glow{
  position:absolute; inset:auto -10% -35% auto; width:60vw; height:60vw; max-width:760px; max-height:760px;
  background:conic-gradient(from 200deg at 50% 50%, rgba(165,233,221,.20), rgba(193,255,114,.12), transparent 65%);
  filter:blur(60px); pointer-events:none;
}
.hero-grid{
  position:relative; display:grid; gap:clamp(2.5rem,5vw,4.5rem);
  grid-template-columns:1.25fr .85fr; align-items:start;
  padding-bottom:clamp(3.5rem,6vw,5.5rem);
}
.hero h1{
  font-size:var(--f-hero); font-weight:600; letter-spacing:-.035em;
  line-height:1.06; margin-bottom:.55em; max-width:16ch;
}
.hero .lead{
  font-size:var(--f-lead); font-weight:300; color:rgba(250,251,248,.76);
  max-width:56ch; margin-bottom:2rem;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:.85rem; margin-bottom:1.6rem; }
.hero-note{
  font-size:.82rem; color:rgba(250,251,248,.5); max-width:48ch;
  padding-left:1rem; border-left:1px solid rgba(250,251,248,.2); margin:0;
}

.hero-card{
  background:rgba(250,251,248,.045);
  border:1px solid rgba(250,251,248,.14);
  border-radius:var(--r-lg);
  padding:clamp(1.6rem,2.6vw,2.2rem);
  backdrop-filter:blur(6px);
  position:relative;
}
.hero-card::before{
  content:''; position:absolute; top:0; left:clamp(1.6rem,2.6vw,2.2rem); width:44px; height:3px;
  background:var(--grad); transform:translateY(-1px) skewX(-38deg);
}
.hero-card .eyebrow{ color:rgba(250,251,248,.6); }
.hero-card-title{ font-size:1.28rem; font-weight:500; line-height:1.3; letter-spacing:-.015em; margin-bottom:1.3rem; }
.hero-list li{
  position:relative; padding-left:1.5rem; margin-bottom:.8rem;
  font-size:.94rem; font-weight:300; color:rgba(250,251,248,.78); line-height:1.55;
}
.hero-list li::before{
  content:''; position:absolute; left:0; top:.62em; width:12px; height:2px;
  background:var(--grad); transform:skewX(-38deg);
}
.hero-card-foot{
  display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; flex-wrap:wrap;
  margin-top:1.7rem; padding-top:1.3rem; border-top:1px solid rgba(250,251,248,.14);
}
.hero-card-foot .mini-label{ color:rgba(250,251,248,.5); }
.hero-card-foot strong{ display:block; font-weight:500; font-size:1.05rem; }
.mini-sub{ font-size:.8rem; color:rgba(250,251,248,.55); letter-spacing:.04em; }

/* marquee strip */
.marquee{
  position:relative; overflow:hidden; border-top:1px solid rgba(250,251,248,.12);
  padding:.9rem 0; -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{
  display:flex; align-items:center; gap:1.6rem; width:max-content;
  animation:slide 34s linear infinite;
}
.marquee-track span{
  font-size:.76rem; letter-spacing:.3em; text-transform:uppercase;
  color:rgba(250,251,248,.55); white-space:nowrap; font-weight:400;
}
.marquee-track i{ width:16px; height:2px; background:var(--grad); transform:skewX(-38deg); flex:none; }
@keyframes slide{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ---------- Sections ---------- */
.section{ padding:var(--sec-y) 0; }
.section--paper{ background:var(--paper); }
.section--mist{ background:var(--mist); }
.section--ink{
  background:linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 100%);
  color:var(--paper);
}

/* ---------- About ---------- */
.about-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(2.5rem,5vw,5rem); align-items:start; }
.about-lead p{ color:var(--muted); max-width:58ch; }
.about-lead .h2{ max-width:18ch; }
.about-figure{ margin:0 0 2rem; }
.viz{
  background:var(--ink); color:var(--paper);
  border-radius:var(--r-lg); box-shadow:var(--shadow-md);
  padding:clamp(1.4rem,2.6vw,2rem);
}
.viz-head{
  display:flex; align-items:center; gap:.7rem; margin:0 0 1.5rem;
  font-size:.7rem; font-weight:500; letter-spacing:.24em;
  text-transform:uppercase; color:rgba(250,251,248,.6);
}
.viz-rows li + li{ margin-top:1.35rem; padding-top:1.35rem; border-top:1px solid rgba(250,251,248,.1); }
.viz-top{ display:flex; align-items:baseline; justify-content:space-between; gap:1rem; margin-bottom:.6rem; }
.viz-goal{ font-size:1.02rem; font-weight:500; }
.viz-horizon{ font-size:.82rem; color:rgba(250,251,248,.6); white-space:nowrap; }
.viz-track{ height:3px; border-radius:3px; background:rgba(250,251,248,.13); overflow:hidden; }
.viz-track span{
  display:block; width:0; height:100%; border-radius:3px; background:var(--grad);
  transition:width 1.1s cubic-bezier(.2,.7,.3,1);
}
.viz-sub{ margin:.55rem 0 0; font-size:.83rem; font-weight:300; color:rgba(250,251,248,.55); }
.about-figure figcaption{
  margin-top:.85rem; font-size:.78rem; line-height:1.55;
  color:var(--muted); max-width:52ch;
}
.principles li{ padding:1.15rem 0; border-top:1px solid var(--line); position:relative; }
.principles li:last-child{ border-bottom:1px solid var(--line); }
.principle-mark{
  position:absolute; top:1.55rem; left:0; width:16px; height:2px;
  background:var(--grad); transform:skewX(-38deg);
}
.principles h3{ font-size:1.02rem; font-weight:500; margin:0 0 .25em; padding-left:2rem; }
.principles p{ margin:0; padding-left:2rem; font-size:.92rem; color:var(--muted); }

/* ---------- Services ---------- */
.services-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden;
}
.service-card{
  background:var(--paper); padding:clamp(1.6rem,2.6vw,2.2rem);
  transition:background .25s ease;
  position:relative;
}
.service-card::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--grad); transform:scaleX(0); transform-origin:left;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.service-card:hover::after{ transform:scaleX(1); }
.service-card:hover{ background:#fff; }
.service-card:hover .service-icon{ transform:translateY(-3px) rotate(-4deg); }
.service-card--feature{ grid-column:span 2; background:var(--ink); color:var(--paper); }
.service-card--feature:hover{ background:var(--ink-2); }
.service-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:42px; height:42px; border-radius:var(--r);
  background:var(--grad); color:var(--ink);
  margin-bottom:1.15rem; transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.service-icon .ic{ width:22px; height:22px; }
.service-card--feature .service-icon{ box-shadow:0 10px 24px -14px rgba(120,214,158,.9); }
.service-card h3{ font-size:var(--f-h3); font-weight:500; margin-bottom:.5em; }
.service-card p{ color:var(--muted); font-size:.94rem; margin-bottom:0; }
.service-card--feature p{ color:rgba(250,251,248,.75); }
.service-points{ margin-top:1.2rem; display:flex; flex-wrap:wrap; gap:.5rem; }
.service-points li{
  font-size:.76rem; letter-spacing:.06em; padding:.35rem .75rem;
  border:1px solid rgba(250,251,248,.22); border-radius:100px; color:rgba(250,251,248,.8);
}
.service-card--cta{
  background:var(--grad); color:var(--ink);
  display:flex; flex-direction:column; justify-content:center;
}
.service-card--cta:hover{ background:var(--grad); }
.service-card--cta h3{ font-size:var(--f-h3); font-weight:600; max-width:16ch; }
.service-card--cta p{ color:rgba(12,17,16,.72); margin-bottom:1.3rem; }
.service-card--cta .btn{ align-self:flex-start; }

/* ---------- Process ---------- */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); }
.process-step{ background:var(--paper); padding:clamp(1.5rem,2.4vw,2rem) clamp(1.2rem,2vw,1.8rem); position:relative; }
.process-step::before{
  content:''; position:absolute; top:0; left:0; height:3px; width:0;
  background:var(--grad); transition:width .7s cubic-bezier(.2,.7,.3,1);
}
.process-step.is-visible::before{ width:100%; }
.step-num{
  display:block; font-size:.78rem; font-weight:500; letter-spacing:.26em;
  color:var(--teal-deep); margin-bottom:1.6rem;
}
.step-body h3{ font-size:var(--f-h3); font-weight:500; margin-bottom:.45em; }
.step-body p{ color:var(--muted); font-size:.93rem; margin:0; }

/* ---------- Why / trust ---------- */
.why-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:rgba(250,251,248,.14); border:1px solid rgba(250,251,248,.14); border-radius:var(--r-lg); overflow:hidden; }
.why-card{ background:var(--ink); padding:clamp(1.7rem,2.8vw,2.4rem); transition:background .25s ease; }
.why-card:hover{ background:var(--ink-3); }
.why-card h3{ font-size:var(--f-h3); font-weight:500; margin-bottom:.5em; color:var(--paper); max-width:24ch; }
.why-card p{ color:rgba(250,251,248,.7); font-size:.94rem; margin:0; }

.disclosure{
  margin-top:clamp(2.2rem,4vw,3.2rem); padding:clamp(1.5rem,2.6vw,2.2rem);
  border:1px solid rgba(250,251,248,.16); border-radius:var(--r-lg);
  background:rgba(250,251,248,.03);
}
.disclosure p{ font-size:.88rem; color:rgba(250,251,248,.66); font-weight:300; max-width:92ch; }
.disclosure p:last-child{ margin-bottom:0; }
.disclosure strong{ color:var(--mint); font-weight:500; }
.disclosure-strong{ padding-top:.9rem; border-top:1px solid rgba(250,251,248,.12); color:rgba(250,251,248,.82) !important; }

/* ---------- FAQ ---------- */
.faq-wrap{ max-width:900px; }
.accordion{ border-top:1px solid var(--line); }
.acc-item{ border-bottom:1px solid var(--line); }
.acc-trigger{
  width:100%; background:none; border:0; cursor:pointer; text-align:left;
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
  padding:1.35rem 0; font-size:clamp(1rem,.95rem + .3vw,1.15rem); font-weight:500;
  letter-spacing:-.01em; transition:color .2s;
}
.acc-trigger:hover{ color:var(--teal-deep); }
.acc-icon{ position:relative; width:14px; height:14px; flex:none; }
.acc-icon::before,.acc-icon::after{
  content:''; position:absolute; left:0; top:6px; width:14px; height:2px;
  background:var(--ink); transition:transform .3s ease, background .2s;
}
.acc-icon::after{ transform:rotate(90deg); }
.acc-trigger[aria-expanded="true"] .acc-icon::after{ transform:rotate(0deg); }
.acc-trigger[aria-expanded="true"] .acc-icon::before,
.acc-trigger[aria-expanded="true"] .acc-icon::after{ background:var(--teal-deep); }
.acc-panel{ overflow:hidden; height:0; transition:height .32s cubic-bezier(.2,.7,.3,1); }
.acc-panel p{ color:var(--muted); padding-bottom:1.4rem; max-width:72ch; margin:0; font-weight:300; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:.95fr 1.05fr; gap:clamp(2.5rem,5vw,4.5rem); align-items:start; }
.contact-intro p{ color:var(--muted); max-width:48ch; }
.contact-details{ margin-top:2.2rem; }
.contact-details li{
  display:flex; align-items:flex-start; gap:1rem;
  padding:1rem 0; border-top:1px solid var(--line);
}
.c-ic{
  display:flex; align-items:center; justify-content:center; flex:none;
  width:38px; height:38px; border-radius:50%;
  background:var(--paper); border:1px solid var(--line); color:var(--teal-deep);
  transition:background .25s ease, color .25s ease, border-color .25s ease;
}
.c-ic .ic{ width:19px; height:19px; }
.contact-details li:hover .c-ic{ background:var(--grad); color:var(--ink); border-color:transparent; }
.contact-details li:last-child{ border-bottom:1px solid var(--line); }
.contact-details a{ font-size:1.02rem; border-bottom:1px solid transparent; transition:border-color .2s; }
.contact-details a:hover{ border-color:var(--teal-deep); }

.form-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(1.5rem,3vw,2.5rem); box-shadow:var(--shadow-md);
}
.field{ margin-bottom:1.1rem; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.field label{
  display:block; font-size:.78rem; font-weight:500; letter-spacing:.12em;
  text-transform:uppercase; color:var(--muted); margin-bottom:.45rem;
}
.req{ color:var(--teal-deep); }
.count{ float:right; font-size:.72rem; letter-spacing:.06em; color:var(--muted); text-transform:none; }
.count.near{ color:var(--teal-deep); }
.field input,.field select,.field textarea{
  width:100%; padding:.82rem .95rem; background:#fff;
  border:1px solid var(--line); border-radius:var(--r);
  transition:border-color .2s, box-shadow .2s; font-size:.98rem;
}
.field textarea{ resize:vertical; min-height:110px; }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--teal-deep); box-shadow:0 0 0 3px rgba(165,233,221,.4);
}
.field input.invalid,.field select.invalid{ border-color:#C0392B; }
.field select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235C6A66' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 1rem center; padding-right:2.4rem; }
.err{ margin:.35rem 0 0; font-size:.8rem; color:#C0392B; min-height:0; }

.field-check{ display:grid; grid-template-columns:auto 1fr; gap:.7rem; align-items:start; margin:1.4rem 0; }
.field-check input{ width:18px; height:18px; margin-top:.2rem; accent-color:var(--teal-deep); }
.field-check label{
  text-transform:none; letter-spacing:0; font-size:.88rem; font-weight:400;
  color:var(--muted); margin:0; line-height:1.5;
}
.field-check .err{ grid-column:1 / -1; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.form-status{ margin:.9rem 0 0; font-size:.92rem; min-height:1.2em; }
.form-status.ok{ color:var(--teal-deep); font-weight:500; }
.form-status.bad{ color:#C0392B; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:rgba(250,251,248,.7); padding:clamp(2.6rem,5vw,3.6rem) 0 1.6rem; }
.footer-inner{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap:1.6rem 2.5rem; padding-bottom:1.8rem;
}
.footer-brand img{ height:38px; width:auto; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:.4rem 1.5rem; }
.footer-nav a{ font-size:.9rem; position:relative; padding-bottom:2px; }
.footer-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--grad); transition:width .25s ease;
}
.footer-nav a:hover::after{ width:100%; }
.footer-reach{ display:flex; flex-wrap:wrap; gap:.35rem 1.5rem; }
.footer-reach a{
  display:inline-flex; align-items:center; gap:.5rem; font-size:.9rem;
  color:rgba(250,251,248,.72); transition:color .2s ease;
}
.footer-reach a:hover{ color:var(--mint); }
.footer-reach .ic{ width:17px; height:17px; opacity:.7; }

.footer-legal{
  border-top:1px solid rgba(250,251,248,.13); padding-top:1.3rem;
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:.4rem 2rem;
}
.footer-legal p{ margin:0; font-size:.76rem; font-weight:300; color:rgba(250,251,248,.45); }
.copyright{ margin:0; }

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed; right:clamp(1rem,3vw,1.75rem); bottom:clamp(1rem,3vw,1.75rem); z-index:90;
  width:52px; height:52px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:#25D366; color:#fff; box-shadow:0 10px 26px -10px rgba(37,211,102,.8);
  transition:transform .2s ease;
}
.wa-float:hover{ transform:translateY(-3px) scale(1.04); }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1); }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-card{ max-width:560px; }
  .about-grid{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .service-card--feature,
  .service-card--cta{ grid-column:span 2; }
  .process{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-inner{ gap:1.4rem; }
}

@media (max-width:860px){
  .nav-toggle{ display:flex; }
  .nav{
    position:fixed; inset:0 0 auto 0; top:0; padding:6rem var(--pad) 2.5rem;
    background:var(--paper); flex-direction:column; align-items:flex-start; gap:.35rem;
    z-index:1; transform:translateY(-102%); transition:transform .38s cubic-bezier(.2,.7,.3,1);
    box-shadow:0 24px 40px -30px rgba(12,17,16,.6); max-height:100vh; overflow:auto;
  }
  .nav.open{ transform:translateY(0); }
  .nav a{ color:var(--ink) !important; font-size:1.15rem; padding:.7rem 0; width:100%; border-bottom:1px solid var(--line); }
  .nav a::after{ display:none; }
  .nav a.nav-cta{ border:0; margin:1.4rem 0 0; width:100%; justify-content:center; padding:1.05rem 1.2rem; font-size:1rem; }
  .site-header.menu-open{ background:var(--paper); box-shadow:none; }
  .site-header.menu-open .brand-logo--light{ display:none; }
  .site-header.menu-open .brand-logo--dark{ display:block; }
}

@media (max-width:720px){
  html{ scroll-padding-top:72px; }
  .services-grid{ grid-template-columns:1fr; }
  .service-card--feature,
  .service-card--cta{ grid-column:span 1; }
  .process{ grid-template-columns:1fr; }
  .why-grid{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; gap:0; }
  .footer-inner{ flex-direction:column; align-items:flex-start; }
  .footer-legal{ flex-direction:column; }
  .hero-actions .btn{ flex:1 1 100%; }
  .hero h1{ max-width:none; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
  .marquee-track{ animation:none; }
}

@media print{
  .site-header,.wa-float,.marquee,.form-card{ display:none; }
  body{ color:#000; background:#fff; }
}