/* =========================================================
   OrionSourcing.one — styles.css
   Dark editorial/industrial. Production orange accent.
   ========================================================= */

:root {
  --bg: #0a0b0d;
  --bg-2: #101216;
  --bg-3: #16191e;
  --panel: #14161b;
  --line: #23262d;
  --line-soft: #1a1d23;
  --ink: #f3f5f7;
  --ink-dim: #a7adb6;
  --ink-mute: #6b727c;
  --accent: #ff7a18;       /* production orange */
  --accent-2: #e85d04;
  --accent-glow: rgba(255, 122, 24, 0.2);
  --danger: #ff5a5a;
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: #000; padding: 10px 16px;
  font-weight: 700; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Typography ---------- */
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.02em; font-weight: 800; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.accent { color: var(--accent); }
.eyebrow, .section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-tag { display: inline-block; margin-bottom: 14px; }
.section-lede { color: var(--ink-dim); max-width: 62ch; font-size: 1.08rem; }

/* ---------- Layout ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(64px, 9vw, 130px) clamp(20px, 5vw, 48px); }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head h2 { margin: 0 0 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 26px; border-radius: 999px;
  font-weight: 700; font-size: 0.98rem; letter-spacing: 0.01em;
  border: 1px solid transparent; transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s;
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary { background: var(--accent); color: #0a0b0d; }
.btn-primary:hover { background: #ff984d; box-shadow: 0 0 0 6px var(--accent-glow); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 11, 13, 0.72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(10, 11, 13, 0.9); }
.nav-wrap {
  max-width: var(--maxw); margin: 0 auto; padding: 14px clamp(20px, 5vw, 48px);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-text { font-size: 1.15rem; }
.brand-accent { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 0.95rem; color: var(--ink-dim); font-weight: 500;
  position: relative; transition: color .2s;
}
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav-links a:not(.nav-cta):hover { color: var(--ink); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  padding: 9px 18px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink); transition: border-color .25s, color .25s, background .25s;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent); }
.portal-link { color: var(--accent) !important; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 6px; }
.menu-bar { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: 120px clamp(20px, 5vw, 48px) 80px; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 35%, transparent 80%);
  opacity: 0.6;
}
.hero::before {
  content: ""; position: absolute; top: -10%; right: -8%; width: 46vw; height: 46vw;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  filter: blur(40px); pointer-events: none;
}
.hero-inner { position: relative; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero-title { margin: 18px 0 22px; }
.hero-sub { max-width: 58ch; color: var(--ink-dim); font-size: 1.18rem; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 64px); border-top: 1px solid var(--line); padding-top: 28px; }
.hero-stats li { display: flex; flex-direction: column; gap: 4px; list-style: none; }
.stat-num { font-family: var(--font-mono); font-size: 2.4rem; font-weight: 700; color: var(--ink); line-height: 1; }
.stat-unit { color: var(--accent); font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; }
.stat-label { color: var(--ink-mute); font-size: 0.85rem; letter-spacing: 0.04em; }

.hero-scanline {
  position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

/* ---------- Value ---------- */
.value-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.value-card { background: var(--bg); padding: 32px 28px; transition: background .3s; }
.value-card:hover { background: var(--bg-2); }
.value-icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-3); border: 1px solid var(--line); color: var(--accent); margin-bottom: 20px;
}
.value-card h3 { margin: 0 0 10px; }
.value-card p { color: var(--ink-dim); margin: 0; font-size: 0.98rem; }

/* ---------- Categories ---------- */
.category-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px;
}
.category-card {
  position: relative; display: block; padding: 28px 26px 30px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
  overflow: hidden;
}
.category-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, var(--accent-glow));
  opacity: 0; transition: opacity .35s;
}
.category-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.category-card:hover::after { opacity: 1; }
.cat-num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); letter-spacing: 0.12em; }
.category-card h3 { margin: 14px 0 10px; }
.category-card p { color: var(--ink-dim); font-size: 0.96rem; margin: 0 0 18px; }
.cat-link { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.04em; }

/* ---------- Process ---------- */
.process-steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; counter-reset: step; }
.process-step {
  position: relative; padding: 32px 28px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.process-step::before {
  content: ""; position: absolute; top: 0; left: 0; width: 40%; height: 2px; background: var(--accent);
  transform-origin: left; transform: scaleX(0); transition: transform .5s var(--ease);
}
.process-step:hover::before { transform: scaleX(1); }
.step-marker { font-family: var(--font-mono); font-size: 2.6rem; font-weight: 700; color: var(--bg-3); -webkit-text-stroke: 1px var(--line); }
.process-step h3 { margin: 8px 0 12px; }
.process-step p { color: var(--ink-dim); margin: 0; font-size: 0.98rem; }

/* ---------- Contact ---------- */
.contact-panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(28px, 5vw, 56px);
  position: relative; overflow: hidden;
}
.contact-panel::before {
  content: ""; position: absolute; top: -30%; right: -10%; width: 40vw; height: 40vw;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%); filter: blur(30px); pointer-events: none;
}
.contact-copy { position: relative; }
.contact-copy h2 { margin: 14px 0 16px; }
.contact-copy p { color: var(--ink-dim); max-width: 44ch; }
.contact-meta { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.contact-meta li { display: flex; flex-direction: column; gap: 2px; }
.meta-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.contact-meta a { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color .2s; }
.contact-meta a:hover { border-bottom-color: var(--accent); }

/* form */
.contact-form { position: relative; display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--ink-dim); }
.field input, .field textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--ink); padding: 12px 14px; font: inherit; font-size: 0.98rem;
  transition: border-color .25s, box-shadow .25s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-mute); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field-error { display: none; color: var(--danger); font-size: 0.8rem; }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.field.invalid .field-error { display: block; }
.form-status { margin: 4px 0 0; font-size: 0.9rem; min-height: 1.2em; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: var(--danger); }

/* ---------- Client portal ---------- */
.portal-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px; visibility: hidden; opacity: 0; transition: opacity .25s ease, visibility .25s; }
.portal-modal.open { visibility: visible; opacity: 1; }
.portal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .76); backdrop-filter: blur(8px); }
.portal-card { position: relative; width: min(100%, 660px); max-height: min(90vh, 780px); overflow-y: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 5vw, 44px); box-shadow: 0 24px 90px rgba(0, 0, 0, .5); transform: translateY(18px) scale(.98); transition: transform .35s var(--ease); }
.portal-modal.open .portal-card { transform: none; }
.portal-close { position: absolute; top: 16px; right: 18px; border: 0; background: transparent; color: var(--ink-mute); font-size: 1.8rem; line-height: 1; }
.portal-close:hover { color: var(--ink); }
.portal-heading { max-width: 44ch; padding-right: 28px; }
.portal-heading h2 { margin: 12px 0 10px; }
.portal-heading p { margin: 0; color: var(--ink-dim); }
.portal-tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--line); margin: 28px 0 24px; }
.portal-tab { padding: 0 0 12px; border: 0; border-bottom: 2px solid transparent; color: var(--ink-mute); background: none; font-weight: 700; }
.portal-tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.portal-form { display: flex; flex-direction: column; gap: 16px; }
.portal-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.portal-form select { width: 100%; appearance: none; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); padding: 12px 14px; font: inherit; font-size: .98rem; }
.portal-form select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.secure-note { margin: -2px 0 2px; color: var(--ink-mute); font-size: .82rem; line-height: 1.5; }
.secure-note span { color: var(--accent); margin-right: 5px; }
.portal-help { margin: 0; color: var(--ink-mute); font-size: .88rem; text-align: center; }
.text-button { border: 0; padding: 0; color: var(--accent); background: none; font: inherit; cursor: pointer; }
.text-button:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 56px clamp(20px, 5vw, 48px);
  display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center;
}
.footer-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.footer-tagline { color: var(--ink-dim); margin: 0; font-size: 0.95rem; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { color: var(--ink-mute); font-size: 0.9rem; transition: color .2s; }
.footer-nav a:hover { color: var(--accent); }
.footer-legal { color: var(--ink-mute); font-size: 0.82rem; margin: 8px 0 0; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  * { animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-panel { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 60px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 8px clamp(20px, 5vw, 48px) 20px;
    transform: translateY(-120%); transition: transform .35s var(--ease);
    z-index: 90;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  .nav-links a:not(.nav-cta)::after { display: none; }
  .nav-cta { border: 0; padding: 14px 0; }
  .nav-cta:hover { background: none; color: var(--accent); }
  .portal-link { color: var(--ink-dim) !important; }

  .hero { padding-top: 110px; }
  .hero-stats { gap: 28px; }
  .stat-num { font-size: 2rem; }

  .section { padding-top: clamp(56px, 12vw, 90px); padding-bottom: clamp(56px, 12vw, 90px); }
}

@media (max-width: 560px) {
  .portal-form-grid { grid-template-columns: 1fr; }
}