@charset "UTF-8";

/* ==========================================================================
   ARCBASE Brand & Website Foundation
   Responsive, Fluid Layout across all display resolutions (Mobile ~ 4K)
   ========================================================================== */

:root {
  --ink: #24272d;
  --gold: #c5a35c;
  --gold-hover: #d6b978;
  --paper: #f5f3ee;
  --paper-card: #ffffff;
  --line: #d9d6cf;
  --line-dark: #505158;
  --muted: #6e706e;
  --max-w: 1240px;
  --page-pad: clamp(16px, 4.5vw, 48px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

::selection {
  background: var(--gold);
  color: var(--ink);
}

/* Accessibility */
.skip {
  position: fixed;
  left: 20px;
  top: -80px;
  background: #ffffff;
  padding: 12px 18px;
  z-index: 100;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
}
.skip:focus {
  top: 15px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive Desktop Line Breaks: only break on wide screens */
@media (max-width: 1024px) {
  .desktop {
    display: none;
  }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  height: clamp(72px, 9vw, 92px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-left: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  padding-right: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: relative;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 16px);
  font-size: clamp(20px, 2.2vw, 25px);
  font-weight: 800;
  letter-spacing: -0.04em;
  flex-shrink: 0;
}

.brand span {
  border-left: 1px solid #aaa;
  padding-left: clamp(8px, 1.2vw, 14px);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--muted);
}

nav {
  display: flex;
  gap: clamp(14px, 2.6vw, 36px);
  font-size: clamp(12px, 1.1vw, 13px);
  font-weight: 500;
  flex-shrink: 0;
}

nav a:hover {
  color: #8a692c;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(36px, 5vw, 56px);
  padding-bottom: clamp(24px, 3.5vw, 36px);
  padding-left: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  padding-right: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  overflow: hidden;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.eyebrow {
  font-size: clamp(10px, 1vw, 11px);
  letter-spacing: 1.6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  text-transform: uppercase;
}

.eyebrow i {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
}

.hero-note {
  margin: 0;
  font-size: clamp(11px, 1.1vw, 12px);
  line-height: 1.8;
  color: #c1c0ba;
  text-align: right;
}

.hero h1 {
  font-size: clamp(34px, 5.2vw, 76px);
  line-height: 1.25;
  letter-spacing: -0.05em;
  font-weight: 500;
  margin: clamp(40px, 5.5vw, 70px) 0 clamp(20px, 3vw, 32px);
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-bottom p {
  font-size: clamp(13px, 1.2vw, 15px);
  color: #c1c0ba;
  line-height: 1.85;
  margin: 0;
  max-width: 540px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(14px, 1.6vw, 18px) clamp(18px, 2vw, 24px);
  background: var(--gold);
  color: var(--ink);
  font-size: clamp(12px, 1.1vw, 13px);
  font-weight: 600;
  border-radius: 2px;
  flex-shrink: 0;
  max-width: 100%;
}

.button:hover {
  background: var(--gold-hover);
}

.button span {
  font-size: 20px;
  line-height: 1;
}

/* Fluid ARCBASE Display Headline: fits smoothly without clipping */
.hero-word {
  font-size: clamp(38px, 10.8vw, 160px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: clamp(36px, 4.5vw, 56px) 0 clamp(16px, 2.5vw, 24px);
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: clip;
}

.hero-word span {
  font-size: 0.14em;
  vertical-align: top;
  display: inline-block;
  margin: 10px 0 0 10px;
  color: var(--gold);
}

.hero-line {
  border-top: 1px solid var(--line-dark);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  font-size: clamp(8px, 0.9vw, 10px);
  letter-spacing: 1.4px;
  color: #b7b7b4;
  gap: 12px;
}

/* ==========================================================================
   Section Common
   ========================================================================== */
.section {
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(56px, 7vw, 96px);
  padding-left: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  padding-right: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
}

.section-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: clamp(9px, 1vw, 11px);
  letter-spacing: 1.2px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-label span:last-child {
  letter-spacing: 0;
  color: var(--muted);
}

h2 {
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.35;
  letter-spacing: -0.045em;
  font-weight: 500;
  margin: 0 0 24px;
}

.body-copy {
  font-size: clamp(13px, 1.15vw, 15px);
  line-height: 1.95;
  margin: 0 0 16px;
}

.muted {
  color: var(--muted);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.logo-panel {
  background: var(--paper-card);
  padding: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 36px) clamp(18px, 2.5vw, 24px);
  border: 1px solid #e9e7e1;
  border-radius: 4px;
  box-shadow: 0 4px 20px #24272d06;
}

/* Clean, rock-solid logo container without overflow clipping */
.approved-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 10px 0 clamp(24px, 3.5vw, 40px);
}

.approved-logo img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  object-fit: contain;
}

.logo-caption {
  border-top: 1px solid #e6e4de;
  display: flex;
  justify-content: space-between;
  padding-top: 16px;
  font-size: clamp(8px, 0.9vw, 10px);
  letter-spacing: 1px;
  color: var(--muted);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  background: var(--ink);
  color: var(--paper);
}

.contact .section-label {
  border-color: var(--line-dark);
}

.contact .section-label span:last-child {
  color: #b7b7b4;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: flex-end;
}

.contact .eyebrow {
  color: var(--gold);
  margin: 0 0 16px;
}

.contact h2 {
  margin-bottom: 16px;
}

.contact p:not(.eyebrow) {
  font-size: clamp(13px, 1.15vw, 15px);
  line-height: 1.85;
  color: #b7b7b4;
  margin: 0;
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: clamp(16px, 2.2vw, 30px);
  letter-spacing: -0.03em;
  border-bottom: 1px solid var(--gold);
  padding: 18px 0;
  color: var(--gold);
  gap: 12px;
  word-break: break-all;
}

.contact-link:hover {
  color: #e2c68f;
  border-color: #e2c68f;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  padding-top: clamp(32px, 4.5vw, 48px);
  padding-bottom: clamp(32px, 4.5vw, 48px);
  padding-left: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  padding-right: max(var(--page-pad), calc((100vw - var(--max-w)) / 2));
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: clamp(18px, 2.5vw, 24px);
  border-bottom: 1px solid #e4e1d8;
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.footer-links {
  display: flex;
  gap: clamp(14px, 2vw, 24px);
  font-size: clamp(11.5px, 1vw, 12.5px);
  color: #555850;
  font-weight: 500;
}

.footer-links a:hover {
  color: #8a692c;
}

.footer-info {
  font-size: clamp(11px, 0.95vw, 12px);
  line-height: 1.85;
  color: #777972;
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.footer-info p {
  margin: 0 0 5px;
}

.footer-info span {
  display: inline-block;
  margin-right: clamp(10px, 1.5vw, 18px);
}

.footer-info strong {
  color: #444741;
  font-weight: 500;
  margin-right: 4px;
}

.footer-info a {
  color: inherit;
  border-bottom: 1px dotted #aaa;
}

.footer-info a:hover {
  color: var(--ink);
  border-bottom-style: solid;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--muted);
  flex-wrap: wrap;
}

.footer-bottom p {
  margin: 0;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet & Split Screen (<= 960px) */
@media (max-width: 960px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Mobile Screens (<= 640px) */
@media (max-width: 640px) {
  .header {
    height: 68px;
  }
  .brand {
    font-size: 20px;
  }
  .brand span {
    display: none;
  }
  nav {
    gap: 16px;
    font-size: 11px;
  }
  .hero-note {
    display: none;
  }
  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .hero-line {
    font-size: 8px;
    letter-spacing: 0.8px;
  }
  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  footer p {
    order: 3;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}