/* =========================================================
   ARKONIX BUILD — stylesheet
   Palette: black / charcoal / gold / silver / white
   Display type: Oswald  |  Body type: Inter
   ========================================================= */

:root{
  --c-black:#060606;
  --c-charcoal:#121214;
  --c-charcoal-2:#1a1a1d;
  --c-line:#2a2a2e;

  --c-gold:#d4af37;
  --c-gold-light:#f3da8c;
  --c-gold-deep:#9c7a1f;

  --c-silver:#c9cbce;
  --c-silver-dim:#8d9095;

  --c-white:#f5f5f4;
  --c-text-dim:#a3a4a8;
  --c-text-faint:#6f7074;

  --gold-gradient: linear-gradient(135deg, var(--c-gold-light) 0%, var(--c-gold) 55%, var(--c-gold-deep) 100%);
  --silver-gradient: linear-gradient(135deg, #ffffff 0%, var(--c-silver) 45%, var(--c-silver-dim) 100%);

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-w: 1200px;
  --header-h: 84px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--c-black);
  color:var(--c-white);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,textarea{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--c-gold); outline-offset:3px; }

.container{
  width:100%;
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 28px;
}

/* ---------- typography helpers ---------- */
.eyebrow{
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  letter-spacing:.32em;
  color:var(--c-gold);
  margin-bottom:14px;
}
.h2{
  font-family:var(--font-display);
  font-size:clamp(28px, 4vw, 42px);
  font-weight:600;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--c-white);
  margin-bottom:20px;
}
.lead{
  font-size:17px;
  color:var(--c-text-dim);
  max-width:560px;
}
.lead-center{ margin:0 auto; text-align:center; }
.section-head{ text-align:center; margin-bottom:56px; }
.section-head .lead{ margin-top:0; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  padding:14px 28px;
  border-radius:2px;
  border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn-gold{
  background:var(--gold-gradient);
  color:#1a1306;
  box-shadow:0 8px 24px -8px rgba(212,175,55,.55);
}
.btn-gold:hover{ transform:translateY(-2px); box-shadow:0 12px 28px -8px rgba(212,175,55,.7); }
.btn-lg{ padding:17px 36px; font-size:14px; }
.link-arrow{
  font-family:var(--font-display);
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-silver);
  border-bottom:1px solid transparent;
  padding-bottom:4px;
  transition:color .2s, border-color .2s;
}
.link-arrow:hover{ color:var(--c-gold); border-color:var(--c-gold); }
.link-arrow span{ display:inline-block; transition:transform .2s; }
.link-arrow:hover span{ transform:translateX(4px); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:transparent;
  transition:background .35s var(--ease), height .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,6,6,.88);
  backdrop-filter:blur(10px);
  height:72px;
  box-shadow:0 1px 0 rgba(212,175,55,.18);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{ height:42px; width:auto; }
.brand-name{ display:flex; flex-direction:column; line-height:1; font-family:var(--font-display); }
.brand-name-top{ font-size:18px; font-weight:600; letter-spacing:.08em; color:var(--c-white); }
.brand-name-bottom{ font-size:12px; font-weight:500; letter-spacing:.28em; color:var(--c-gold); }

.main-nav{ display:flex; align-items:center; gap:36px; }
.main-nav ul{ display:flex; align-items:center; gap:30px; }
.nav-link{
  font-family:var(--font-display);
  font-size:13px;
  font-weight:500;
  letter-spacing:.12em;
  color:var(--c-silver);
  position:relative;
  padding-bottom:6px;
  transition:color .2s;
}
.nav-link::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--c-gold);
  transition:width .25s var(--ease);
}
.nav-link:hover, .nav-link.active{ color:var(--c-white); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.btn-nav-cta{ padding:11px 22px; font-size:12px; }

.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  background:none;
  border:none;
  z-index:101;
}
.menu-toggle span{
  display:block;
  height:2px;
  width:100%;
  background:var(--c-gold);
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse 900px 700px at 78% 38%, rgba(212,175,55,.10), transparent 60%),
    linear-gradient(180deg, #050505 0%, #0a0a0b 60%, #0d0d0e 100%);
}
.hero-bg{ position:absolute; inset:0; z-index:0; opacity:.9; }
.skyline{ width:100%; height:100%; }
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(100deg, rgba(5,5,5,.98) 0%, rgba(5,5,5,.92) 30%, rgba(5,5,5,.55) 55%, rgba(5,5,5,.25) 75%, rgba(5,5,5,.45) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  padding-top:var(--header-h);
  max-width:680px;
}
.hero-logo{
  width:min(380px, 78vw);
  margin-bottom:8px;
  filter:drop-shadow(0 18px 40px rgba(0,0,0,.55));
}
.hero-tagline{
  font-family:var(--font-display);
  font-size:clamp(15px, 1.9vw, 19px);
  font-weight:500;
  letter-spacing:.22em;
  color:var(--c-gold-light);
  margin-bottom:22px;
}
.hero-text{
  font-size:17px;
  color:var(--c-text-dim);
  max-width:480px;
  margin-bottom:36px;
}
.hero-actions{ display:flex; align-items:center; gap:30px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute;
  left:50%; bottom:36px;
  transform:translateX(-50%);
  z-index:2;
  width:1px; height:50px;
}
.scroll-cue-line{
  display:block;
  width:1px; height:100%;
  background:linear-gradient(to bottom, var(--c-gold), transparent);
  animation:scrollPulse 2s infinite var(--ease);
}
@keyframes scrollPulse{
  0%{ transform:scaleY(0); transform-origin:top; opacity:0; }
  40%{ transform:scaleY(1); transform-origin:top; opacity:1; }
  100%{ transform:scaleY(1); transform-origin:bottom; opacity:0; }
}

/* curve divider */
.curve-divider{ max-width:var(--container-w); margin:0 auto; padding:0 28px; }
.curve-divider svg{ width:100%; height:40px; display:block; }

/* =========================================================
   SECTIONS — shared
   ========================================================= */
.section{ padding:110px 0; position:relative; }
.section-charcoal{ background:var(--c-charcoal); }

/* ---------- about ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1.1fr; gap:64px; align-items:start; }
.about-copy p + p{ margin-top:16px; color:var(--c-text-dim); }
.about-copy .lead{ color:var(--c-white); font-size:19px; margin-bottom:14px; max-width:none; }
.about-cards{ display:flex; flex-direction:column; gap:20px; }
.value-card{
  background:var(--c-charcoal-2);
  border:1px solid var(--c-line);
  border-radius:4px;
  padding:26px 28px;
  display:flex;
  gap:20px;
  align-items:flex-start;
  transition:border-color .25s, transform .25s;
}
.value-card:hover{ border-color:var(--c-gold-deep); transform:translateY(-3px); }
.value-icon{
  flex:none;
  width:48px; height:48px;
  color:var(--c-gold);
}
.value-icon svg{ width:100%; height:100%; }
.value-card h3{
  font-family:var(--font-display);
  font-size:17px;
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:6px;
  color:var(--c-white);
}
.value-card p{ font-size:14.5px; color:var(--c-text-dim); }

/* ---------- services ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
.service-card{
  background:var(--c-black);
  border:1px solid var(--c-line);
  border-radius:4px;
  padding:34px 26px;
  transition:border-color .3s, transform .3s, box-shadow .3s;
}
.service-card:hover{
  border-color:var(--c-gold);
  transform:translateY(-6px);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.6);
}
.service-icon{
  display:flex; align-items:center; justify-content:center;
  width:56px; height:56px;
  margin-bottom:22px;
  color:var(--c-gold);
  border:1px solid var(--c-gold-deep);
  border-radius:50%;
}
.service-icon svg{ width:28px; height:28px; }
.service-card h3{
  font-family:var(--font-display);
  font-size:18px;
  letter-spacing:.03em;
  text-transform:uppercase;
  margin-bottom:10px;
  color:var(--c-white);
}
.service-card p{ font-size:14.5px; color:var(--c-text-dim); }

/* ---------- projects ---------- */
.projects-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
.project-card{
  position:relative;
  background:linear-gradient(160deg, var(--c-charcoal-2), var(--c-black));
  border:1px solid var(--c-line);
  border-radius:4px;
  overflow:hidden;
  padding:0 0 22px;
}
.project-art{ padding:28px 22px 0; }
.project-badge{
  display:inline-block;
  margin:14px 22px 8px;
  font-family:var(--font-display);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--c-gold);
  border:1px solid var(--c-gold-deep);
  border-radius:999px;
  padding:5px 12px;
}
.project-card h3{
  font-family:var(--font-display);
  font-size:16px;
  letter-spacing:.04em;
  text-transform:uppercase;
  margin:0 22px;
  color:var(--c-white);
}

/* ---------- why us ---------- */
.why-grid{ display:grid; grid-template-columns:.95fr 1.3fr; gap:64px; align-items:center; }
.why-copy{ position:relative; }
.why-art{ width:100%; max-width:300px; margin-top:30px; opacity:.9; }
.why-list{ display:flex; flex-direction:column; gap:30px; }
.why-item{ display:flex; gap:22px; align-items:flex-start; }
.why-num{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:600;
  color:var(--c-gold-deep);
  border:1px solid var(--c-gold-deep);
  border-radius:50%;
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  flex:none;
}
.why-item h3{
  font-family:var(--font-display);
  font-size:16.5px;
  letter-spacing:.04em;
  text-transform:uppercase;
  margin-bottom:6px;
  color:var(--c-white);
}
.why-item p{ font-size:14.5px; color:var(--c-text-dim); }

/* ---------- contacts ---------- */
.contact-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:50px; }
.contact-form{
  background:var(--c-charcoal);
  border:1px solid var(--c-line);
  border-radius:6px;
  padding:40px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row-split{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-row-split > div{ display:flex; flex-direction:column; gap:8px; }
label{
  font-family:var(--font-display);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--c-text-dim);
}
input, textarea{
  background:var(--c-black);
  border:1px solid var(--c-line);
  border-radius:3px;
  padding:13px 16px;
  color:var(--c-white);
  font-size:15px;
  transition:border-color .2s;
  resize:vertical;
}
input::placeholder, textarea::placeholder{ color:var(--c-text-faint); }
input:focus, textarea:focus{ border-color:var(--c-gold); }
.contact-form .btn{ align-self:flex-start; margin-top:6px; }
.form-status{ font-size:13.5px; color:var(--c-gold-light); min-height:1.2em; }

.contact-info{ display:flex; flex-direction:column; gap:26px; justify-content:center; }
.contact-info-item{ display:flex; gap:18px; align-items:flex-start; }
.contact-icon{
  flex:none;
  width:42px; height:42px;
  border:1px solid var(--c-gold-deep);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--c-gold);
}
.contact-icon svg{ width:20px; height:20px; }
.contact-label{
  display:block;
  font-family:var(--font-display);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-text-faint);
  margin-bottom:4px;
}
.contact-info-item a{ font-size:16px; color:var(--c-white); transition:color .2s; }
.contact-info-item a:hover{ color:var(--c-gold); }
.contact-info-item span:not(.contact-label){ font-size:16px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background:#040404;
  border-top:1px solid var(--c-line);
  padding-top:70px;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
}
.footer-mark{ height:54px; width:auto; margin-bottom:14px; }
.footer-name{ font-family:var(--font-display); font-size:18px; letter-spacing:.1em; margin-bottom:6px; }
.footer-tagline{ font-family:var(--font-display); font-size:11.5px; letter-spacing:.18em; color:var(--c-gold); }
.footer-col h4{
  font-family:var(--font-display);
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-white);
  margin-bottom:18px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ color:var(--c-text-dim); font-size:14.5px; transition:color .2s; }
.footer-col a:hover{ color:var(--c-gold); }
.footer-col li{ color:var(--c-text-dim); font-size:14.5px; }
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0;
  text-align:center;
}
.footer-bottom p{ font-size:13px; color:var(--c-text-faint); }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .scroll-cue-line{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px){
  .services-grid, .projects-grid{ grid-template-columns:repeat(2, 1fr); }
  .about-grid, .why-grid{ grid-template-columns:1fr; gap:48px; }
  .why-art{ display:none; }
  .footer-inner{ grid-template-columns:1fr 1fr; gap:40px 30px; }
}

@media (max-width: 860px){
  .main-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(360px, 86vw);
    height:100vh;
    background:rgba(8,8,9,.98);
    backdrop-filter:blur(14px);
    border-left:1px solid var(--c-line);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:0;
    padding:0 44px;
    transform:translateX(100%);
    transition:transform .4s var(--ease);
  }
  .main-nav.is-open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:26px; margin-bottom:40px; }
  .nav-link{ font-size:16px; }
  .menu-toggle{ display:flex; }
  .btn-nav-cta{ width:100%; justify-content:center; padding:15px 22px; }
}

@media (max-width: 768px){
  .container{ padding:0 20px; }
  .section{ padding:80px 0; }
  .hero-content{ padding-top:calc(var(--header-h) + 10px); }
  .hero-actions{ flex-direction:column; align-items:flex-start; gap:20px; }
  .contact-grid{ grid-template-columns:1fr; gap:36px; }
  .contact-form{ padding:28px; }
  .form-row-split{ grid-template-columns:1fr; gap:18px; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .services-grid, .projects-grid{ grid-template-columns:1fr; }
}

@media (max-width: 480px){
  .brand-name-top{ font-size:15px; }
  .brand-name-bottom{ font-size:10px; }
  .brand-mark{ height:34px; }
  .hero-logo{ width:min(280px, 80vw); }
  .footer-inner{ grid-template-columns:1fr; gap:36px; }
  .h2{ font-size:26px; }
  .why-num{ width:34px; height:34px; font-size:13px; }
}