/* ===================================================================
   A.S INTERNATIONAL — Design System
   Display: Oswald (condensed, industrial — echoes stenciled freight type)
   Body:    Inter (clean, professional, highly legible)
   Utility: IBM Plex Mono (manifest / tracking-code register)
   =================================================================== */

:root {
  /* Color */
  --ink: #14181c;
  --navy: #1f2b3a;
  --navy-deep: #161f2a;
  --steel: #5c6670;
  --steel-light: #8b939b;
  --platinum: #eef0f1;
  --platinum-deep: #e3e6e8;
  --paper: #faf9f7;
  --line: #dadde0;
  --line-on-dark: rgba(255, 255, 255, 0.14);
  --orange: #f4791f;
  --orange-deep: #c95f12;
  --orange-soft: #fde6d3;
  --white: #ffffff;

  /* Type scale */
  --fs-h1: clamp(2.6rem, 2rem + 2.6vw, 4.6rem);
  --fs-h2: clamp(2rem, 1.6rem + 1.6vw, 3.1rem);
  --fs-h3: clamp(1.35rem, 1.2rem + 0.6vw, 1.75rem);
  --fs-lead: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8rem;

  /* Spacing */
  --space-section: clamp(4rem, 3rem + 4vw, 7.5rem);
  --space-block: clamp(2.5rem, 2rem + 2vw, 4rem);
  --container: 1200px;
  --radius: 3px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
  color: var(--ink);
  text-transform: uppercase;
}
h1 { font-size: var(--fs-h1); letter-spacing: 0.005em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); text-transform: none; font-weight: 600; }

p { margin: 0 0 1em; color: var(--steel); }
p.lead { font-size: var(--fs-lead); color: var(--ink); line-height: 1.5; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.mono {
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1.1em;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--orange);
  display: inline-block;
}
.eyebrow.on-dark { color: var(--orange); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
}

section { padding: var(--space-section) 0; }
.section-tight { padding: clamp(2.5rem, 2rem + 2vw, 4rem) 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.95em 1.7em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-deep); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost-dark { border-color: var(--line-on-dark); color: var(--white); }
.btn-ghost-dark:hover { border-color: var(--white); }
.btn-arrow { transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand img { height: 52px; width: 52px; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text .name {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.brand-text .tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--steel);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.1rem;
}
.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); border-color: var(--orange); }
.nav-cta { display: flex; align-items: center; gap: 1.3rem; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

@media (max-width: 900px) {
  .nav-links { 
    position: fixed;
    top: 84px; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--line);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { width: 100%; padding: 1rem 1.75rem; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .nav-cta .btn-primary-label { display: none; }
}

/* ---------- Route line (signature element) ---------- */
.route-line {
  width: 100%;
  height: auto;
  display: block;
}
.route-line .path {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
  stroke-dasharray: 1 9;
  stroke-linecap: round;
}
.route-line .path-active {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
  stroke-linecap: round;
  animation: dash-move 14s linear infinite;
}
@keyframes dash-move { to { stroke-dashoffset: -200; } }
.route-line .node circle { fill: var(--paper); stroke: var(--steel-light); stroke-width: 1.5; }
.route-line .node.is-orange circle { fill: var(--orange); stroke: var(--orange); }
.route-line .node text {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  fill: var(--steel);
  text-transform: uppercase;
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0 clamp(2.5rem, 2rem + 2vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 { margin-bottom: 0.5em; }
.hero h1 .accent { color: var(--orange); }
.hero-actions { display: flex; gap: 1rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero-art {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  position: relative;
  overflow: hidden;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 40%, rgba(244,121,31,0.08) 100%);
}
.hero-art .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 1.8rem;
  display: block;
}
.hero-art .route-line .path { stroke: rgba(255,255,255,0.18); }
.hero-art .route-line .node circle { fill: var(--ink); stroke: var(--steel-light); }
.hero-art .route-line .node.is-orange circle { fill: var(--orange); stroke: var(--orange); }
.hero-art .route-line .node text { fill: var(--steel-light); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Stats strip ---------- */
.stats-strip {
  background: var(--ink);
  color: var(--white);
  padding: clamp(2.2rem, 1.8rem + 1.5vw, 3.2rem) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat .num {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.2rem, 1.8rem + 1.5vw, 3rem);
  color: var(--orange);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-light);
}
@media (max-width: 760px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.6rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 2.2rem 1.9rem;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--orange); transform: translateY(-3px); }
.card .code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 1rem;
  display: block;
}
.card .icon { width: 36px; height: 36px; margin-bottom: 1.2rem; color: var(--orange); }
.card h3 { margin-bottom: 0.5em; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Section heads ---------- */
.section-head { max-width: 680px; margin-bottom: var(--space-block); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Two column ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 2.2rem; } }

/* ---------- Process / timeline (ordered — reflects real operational sequence) ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 0 1.4rem 0 0;
  border-left: 1px solid var(--line);
  padding-left: 1.6rem;
}
.process-step:first-child { border-left: none; padding-left: 0; }
.process-step .step-code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--orange);
  letter-spacing: 0.08em;
  margin-bottom: 0.9rem;
  display: block;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 0.4em; }
.process-step p { font-size: 0.9rem; }
@media (max-width: 900px) {
  .process { grid-template-columns: 1fr; gap: 2rem; }
  .process-step { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.6rem; }
  .process-step:first-child { border-top: none; padding-top: 0; }
}

/* ---------- Values grid ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}
@media (max-width: 900px) { .values-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .values-grid { grid-template-columns: 1fr; } }
.value-item .icon { width: 30px; height: 30px; color: var(--orange); margin-bottom: 1rem; }
.value-item h3 { font-size: 1rem; margin-bottom: 0.4em; }
.value-item p { font-size: 0.9rem; }

/* ---------- Industries / portfolio ---------- */
.industry-card {
  background: var(--platinum);
  padding: 2rem 1.7rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--orange);
}
.industry-card h3 { font-size: 1.02rem; margin-bottom: 0.4em; }
.industry-card p { font-size: 0.88rem; margin: 0; }

/* ---------- Testimonials ---------- */
.testi-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.testi-card .stars { color: var(--orange); font-size: 0.9rem; letter-spacing: 0.15em; }
.testi-card .quote { font-style: italic; color: var(--ink); font-size: 1rem; flex-grow: 1; }
.testi-card .who { 
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--steel);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.placeholder-flag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-deep);
  background: var(--orange-soft);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  display: inline-block;
  align-self: flex-start;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: clamp(2.4rem, 2rem + 2vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.3em; font-size: var(--fs-h3); }
.cta-banner p { color: var(--steel-light); margin: 0; }

/* ---------- Page banner (interior pages) ---------- */
.page-banner {
  background: var(--ink);
  color: var(--white);
  padding: clamp(3.5rem, 2.8rem + 3vw, 6rem) 0 clamp(2.5rem, 2rem + 2vw, 4rem);
  border-bottom: 3px solid var(--orange);
}
.page-banner h1 { color: var(--white); margin-bottom: 0.4em; font-size: clamp(2.2rem, 1.8rem + 2vw, 3.4rem); }
.page-banner p { color: var(--steel-light); max-width: 620px; margin: 0; }
.breadcrumb {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 1.4rem;
}
.breadcrumb .sep { color: var(--orange); margin: 0 0.5em; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.5rem;
}
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.85em 1em;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  border-radius: var(--radius);
  color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--orange);
}
.field textarea { resize: vertical; min-height: 130px; }

/* ---------- Contact info cards ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  border: 1px solid var(--line);
  padding: 1.8rem;
  border-radius: var(--radius);
}
.contact-card .eyebrow { margin-bottom: 0.7em; }
.contact-card .value { font-family: 'Oswald', sans-serif; font-size: 1.1rem; text-transform: none; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: var(--steel-light);
  padding-top: clamp(3rem, 2.4rem + 2vw, 4.5rem);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-on-dark);
}
@media (max-width: 800px) { .footer-top { grid-template-columns: 1fr 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1.2rem; }
.footer-brand img { height: 44px; width: 44px; }
.footer-brand .name { font-family: 'Oswald', sans-serif; color: var(--white); text-transform: uppercase; font-size: 1rem; letter-spacing: 0.03em; }
.footer-col h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.1rem;
}
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col a { font-size: 0.9rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.6rem 0;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.footer-bottom .mono { color: var(--steel); }

/* ---------- Utility ---------- */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }