/* ===== Tokens ===== */
:root {
  --bg: #0a0a0c;
  --bg-2: #0e0f13;
  --panel: #131419;
  --panel-2: #16181f;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);

  --white: #ffffff;
  --text: #eef1f5;
  --text-soft: #b9c0c9;
  --muted: #828a95;

  --gold: #f4b13a;
  --gold-deep: #e09a22;
  --gold-soft: rgba(244, 177, 58, .12);

  --grad: linear-gradient(120deg, #f7c662 0%, #f2a52c 60%, #e0902a 120%);
  --glow: rgba(255, 255, 255, .5);

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);
  --shadow-md: 0 24px 70px rgba(0, 0, 0, .55);

  --container: 1140px;
  --font-head: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-logo: "Montserrat", system-ui, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--white); line-height: 1.12; margin: 0; letter-spacing: -.02em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem;
  padding: 13px 26px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary { background: var(--gold); color: #1a1300; box-shadow: 0 10px 30px rgba(244, 177, 58, .28); }
.btn-primary:hover { background: #ffc659; transform: translateY(-2px); box-shadow: 0 14px 38px rgba(244, 177, 58, .38); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--white); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 12, .72);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(10, 10, 12, .9); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 88px; }
.brand { display: flex; align-items: center; font-family: var(--font-head); }
.header-logo {
  display: block; width: 210px; height: 64px; margin-left: -6px;
  background: url('assets/brand/arc-banner-enhanced.png') no-repeat;
  background-size: 248px 118px; background-position: -24px -25px;
}
.footer-banner { width: 280px; height: auto; display: block; margin-left: -16px; }
@media (max-width: 560px) {
  .header-logo { width: 158px; height: 48px; background-size: 186px 89px; background-position: -18px -19px; }
}
@media (max-width: 560px) { .footer-banner { width: 210px; } }
.brand-lockup { height: 46px; width: auto; display: block; }
.brand-lockup--glow { height: 50px; }
.lk-arc { font-family: "Poppins", var(--font-logo); font-weight: 500; font-size: 84px; letter-spacing: 2px; }
.lk-sub { font-family: "Poppins", var(--font-logo); font-weight: 500; font-size: 48px; letter-spacing: 11px; }
@media (max-width: 560px) { .brand-lockup { height: 40px; } .brand-lockup--glow { height: 44px; } }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-weight: 500; color: var(--text-soft); font-size: .97rem; transition: color .18s ease; }
.nav a:hover { color: var(--white); }
.nav .nav-cta { background: var(--white); color: #0a0a0c; padding: 9px 20px; border-radius: 999px; font-weight: 600; }
.nav .nav-cta:hover { background: var(--gold); color: #1a1300; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: .25s; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: clamp(60px, 9vw, 120px) 0 clamp(64px, 8vw, 100px); }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(820px 520px at 80% -8%, rgba(244, 177, 58, .14), transparent 60%),
    radial-gradient(680px 520px at 6% 4%, rgba(255, 255, 255, .06), transparent 55%),
    linear-gradient(180deg, #0c0c10, var(--bg) 70%);
}
/* faint glowing ring motif behind hero */
.hero::after {
  content: ""; position: absolute; right: -160px; top: 50%; transform: translateY(-50%);
  width: 620px; height: 620px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 0 60px rgba(255, 255, 255, .06), inset 0 0 60px rgba(255, 255, 255, .04);
  pointer-events: none; z-index: -1;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--gold);
  background: var(--gold-soft); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
  border: 1px solid rgba(244, 177, 58, .22);
}
.eyebrow-light { color: var(--gold); }

.hero h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 800; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--text-soft); margin: 22px 0 30px; max-width: 40ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 36px; margin-top: 46px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-head); font-weight: 800; font-size: 1.55rem; color: var(--white); }
.stat-label { font-size: .85rem; color: var(--muted); }

/* Hero card */
.hero-card { position: relative; }
.panel-glow {
  position: absolute; inset: -12% -8% -16% -8%;
  background: radial-gradient(closest-side, rgba(244, 177, 58, .22), transparent 75%);
  filter: blur(36px); border-radius: 40px; z-index: 0;
}
.panel {
  position: relative; z-index: 1; background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: 22px; padding: 28px; box-shadow: var(--shadow-md);
}
.panel-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; font-weight: 500; color: var(--text); border-bottom: 1px dashed var(--line); }
.panel-row:last-of-type { border-bottom: 0; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--white); box-shadow: 0 0 0 4px rgba(255, 255, 255, .08), 0 0 8px rgba(255, 255, 255, .6); flex: none; }
.panel-meter { height: 8px; background: rgba(255, 255, 255, .08); border-radius: 999px; margin: 18px 0 12px; overflow: hidden; }
.panel-meter-fill { height: 100%; width: 86%; background: var(--grad); border-radius: 999px; box-shadow: 0 0 14px rgba(244, 177, 58, .5); }
.panel-caption { margin: 0; font-size: .9rem; color: var(--muted); }

/* ===== Sections ===== */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-tint { background: var(--bg-2); }
.section-head { max-width: 680px; margin: 0 auto 54px; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 800; }
.section-sub { color: var(--text-soft); font-size: 1.08rem; margin-top: 16px; }

/* ===== About ===== */
.about-body { max-width: 760px; margin: 0 auto 46px; }
.about-body p { color: var(--text-soft); font-size: 1.1rem; margin: 0 0 18px; }
.about-body p:last-child { margin-bottom: 0; }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 920px; margin: 0 auto; }
.mv-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 30px; box-shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 10px 30px rgba(0, 0, 0, .04);
}
.mv-label { display: block; font-family: var(--font-head); font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.mv-card p { margin: 0; color: var(--text); font-size: 1.06rem; line-height: 1.62; }
@media (max-width: 760px) { .mv-grid { grid-template-columns: 1fr; } }

/* ===== Service cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
.card-icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  color: var(--gold); background: var(--gold-soft); border: 1px solid rgba(244, 177, 58, .22); margin-bottom: 20px;
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.card p { color: var(--text-soft); margin: 0 0 18px; }
.card-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.card-list li { position: relative; padding-left: 24px; color: var(--text); font-size: .94rem; font-weight: 500; }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 7px;
  border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold);
  transform: rotate(-45deg);
}

/* ===== Utility (feature band) ===== */
.section-dark { background: var(--bg-2); position: relative; overflow: hidden; }
.section-dark::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(680px 420px at 88% 8%, rgba(244, 177, 58, .12), transparent 60%),
              radial-gradient(620px 420px at 4% 98%, rgba(255, 255, 255, .05), transparent 60%);
}
.section-dark::after {
  content: ""; position: absolute; left: -120px; bottom: -180px; width: 460px; height: 460px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .08); pointer-events: none;
}
.utility-inner { position: relative; max-width: 880px; }
.section-dark h2 { color: var(--white); font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
.utility-copy > p { color: var(--text-soft); font-size: 1.1rem; margin: 18px 0 36px; max-width: 56ch; }
.utility-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-bottom: 40px; }
.utility-item {
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 22px 22px; transition: border-color .2s ease, background .2s ease;
}
.utility-item:hover { border-color: var(--line-2); background: rgba(255, 255, 255, .05); }
.utility-item h4 { color: var(--white); font-size: 1.12rem; margin-bottom: 6px; }
.utility-item p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ===== Why grid ===== */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px 50px; max-width: 940px; margin: 0 auto; }
.why-item { position: relative; padding-left: 64px; }
.why-num {
  position: absolute; left: 0; top: 0; font-family: var(--font-head); font-weight: 800;
  font-size: 1.05rem; color: var(--gold); background: var(--gold-soft); border: 1px solid rgba(244, 177, 58, .22);
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
}
.why-item h3 { font-size: 1.2rem; margin-bottom: 8px; }
.why-item p { color: var(--text-soft); margin: 0; }

/* ===== Team ===== */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; max-width: 880px; margin: 0 auto; }
.team-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 24px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
/* avatar echoes the glowing ARC ring */
.avatar {
  width: 86px; height: 86px; border-radius: 50%; margin: 0 auto 18px;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .06), transparent);
  border: 1.5px solid rgba(255, 255, 255, .55);
  box-shadow: 0 0 18px rgba(255, 255, 255, .18), inset 0 0 18px rgba(255, 255, 255, .05);
  display: grid; place-items: center; position: relative;
}
.avatar::after {
  content: attr(data-initials); font-family: var(--font-logo); font-weight: 600;
  color: var(--white); font-size: 1.45rem; letter-spacing: .04em;
}
.team-card h3 { font-size: 1.2rem; }
.team-role { color: var(--gold); font-weight: 600; font-size: .92rem; margin: 4px 0 0; }

/* ===== Contact ===== */
.contact-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); }
.contact-copy > p { color: var(--text-soft); font-size: 1.08rem; margin: 18px 0 26px; }
.contact-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.contact-points li { position: relative; padding-left: 30px; font-weight: 500; color: var(--text); }
.contact-points li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a1300' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}

.contact-email { margin: 22px 0 0; color: var(--text-soft); font-size: 1.02rem; }
.contact-email a { color: var(--gold); font-weight: 600; text-decoration: none; }
.contact-email a:hover { text-decoration: underline; }

.footer-contact { margin: 12px 0 0; font-size: .95rem; color: var(--muted); line-height: 1.7; }
.footer-contact a { color: var(--gold); text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }

.hp-field { position: absolute; left: -9999px; }

.contact-form {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-md); display: grid; gap: 18px;
}
.field { display: grid; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--text); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--white);
  padding: 12px 14px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .03); transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.field input::placeholder, .field textarea::placeholder { color: #6b727c; }
.field select { color: var(--white); }
.field select option { background: #16181f; color: var(--white); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); background: rgba(255, 255, 255, .05); box-shadow: 0 0 0 4px rgba(244, 177, 58, .14);
}
.field textarea { resize: vertical; }
.form-note { margin: 4px 0 0; font-size: .92rem; font-weight: 500; min-height: 1.2em; }
.form-note.ok { color: #6fe0a0; }
.form-note.err { color: #ff7b6e; }

/* ===== Footer ===== */
.site-footer { background: #07070a; color: var(--muted); padding: 56px 0 28px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.brand-footer { text-decoration: none; }
.footer-brand .arc-mark { color: var(--white); filter: drop-shadow(0 0 8px rgba(255, 255, 255, .5)); }
.footer-brand .brand-text { color: var(--white); font-weight: 600; }
.footer-brand p { margin: 14px 0 0; max-width: 36ch; font-size: .95rem; color: var(--muted); }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--text-soft); font-weight: 500; transition: color .15s ease; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: .85rem; color: #5e656f; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 440px; }
  .hero::after { display: none; }
  .cards { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 360px; }
  .why-grid { grid-template-columns: 1fr; }
  .utility-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }

  .nav {
    position: fixed; inset: 74px 0 auto 0; flex-direction: column; gap: 0;
    background: #0c0c10; border-bottom: 1px solid var(--line); padding: 8px 24px 20px;
    transform: translateY(-130%); transition: transform .3s ease; box-shadow: var(--shadow-md);
  }
  .nav.open { transform: translateY(0); }
  .nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-cta { margin-top: 12px; text-align: center; border-bottom: 0; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .footer-bottom { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}