/* ============================================================
   AM Corporate Solutions (AMCS) — Global Stylesheet
   Archetype: Swiss & High-Contrast × Burgundy
   ============================================================ */

:root {
  --color-bg-base: #0A0A0A;
  --color-bg-surface: #141414;
  --color-bg-card: #1E1E1E;
  --color-primary: #800020;
  --color-primary-hover: #A10028;
  --color-text-main: #F5F5F5;
  --color-text-muted: #A3A3A3;
  --color-border: #333333;
  --color-border-hover: #555555;

  --font-heading: 'Chivo', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --container-max: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-card: 0 8px 32px rgba(128, 0, 32, 0.15);

  --t-fast: 0.2s ease;
  --t-med: 0.3s ease;
  --t-slow: 0.6s ease;
}

/* -------- Reset / base -------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg-base);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--color-primary-hover); }

::selection { background: var(--color-primary); color: #fff; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  line-height: 1.15;
  font-weight: 900;
}
p { margin: 0 0 1em; color: var(--color-text-muted); }

/* -------- Layout helpers -------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}
.section {
  padding: 6rem 0;
}
.section-alt {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section-head {
  max-width: 760px;
  margin: 0 auto 3.5rem;
  text-align: left;
}
.section-head.two-col {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem;
  max-width: none;
  flex-wrap: wrap;
}
.section-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-primary);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-text-main);
}
.section-lead {
  font-size: 1.05rem;
  max-width: 640px;
  color: var(--color-text-muted);
}

/* -------- Header / Nav -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--color-text-main);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--color-text-main); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  letter-spacing: 0;
  transition: background var(--t-med);
}
.brand:hover .brand-mark { background: var(--color-primary-hover); }

.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.25rem 0;
}
.nav-links a:hover { color: var(--color-text-main); }
.nav-links a.active { color: var(--color-text-main); }
.nav-links a.active::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--color-primary);
}
.nav-cta {
  padding: 0.55rem 1.2rem !important;
  font-size: 0.85rem !important;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--color-text-main);
  margin: 4px 0;
  transition: transform var(--t-med), opacity var(--t-med);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    gap: 0;
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 2rem 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav-links a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links a.active::after { display: none; }
  .nav-cta { margin-top: 0.8rem; text-align: center; }
  .nav-links.open { max-height: 480px; }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-med);
  text-decoration: none;
}
.btn i { font-size: 0.8rem; transition: transform var(--t-med); }
.btn:hover i { transform: translateX(3px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 8px 28px rgba(128, 0, 32, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-text-main);
}

.btn-block { width: 100%; justify-content: center; }

/* -------- Hero -------- */
.hero {
  position: relative;
  padding: 8rem 0 7rem;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--color-border);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,10,10,0.85), rgba(10,10,10,0.95)),
    url('https://images.pexels.com/photos/8636589/pexels-photo-8636589.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940');
  background-size: cover;
  background-position: center;
  z-index: -1;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(128, 0, 32, 0.18), transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(128, 0, 32, 0.12), transparent 40%);
}
.hero-inner {
  max-width: 980px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  margin-bottom: 2rem;
  background: rgba(30, 30, 30, 0.5);
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(128,0,32,0.25);
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  max-width: 18ch;
}
.hero-title .accent { color: var(--color-primary); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-bottom: 2.5rem;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-bottom: 4rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  max-width: 700px;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-text-main);
  letter-spacing: -0.03em;
}
.hero-stats span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

/* -------- Grids / Cards -------- */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-categories {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.grid-services {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.grid-values {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
  position: relative;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: rgba(128, 0, 32, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(128, 0, 32, 0.4);
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  transition: background var(--t-med), color var(--t-med);
}
.card-icon.small {
  width: 44px; height: 44px; font-size: 1.05rem; margin-bottom: 0;
}
.card:hover .card-icon {
  background: var(--color-primary);
  color: #fff;
}
.card-title {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  margin-bottom: 0.6rem;
  color: var(--color-text-main);
}
.card-desc {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
}
.card-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.card-link:hover { color: var(--color-primary-hover); }
.card-link i { transition: transform var(--t-med); }
.card-link:hover i { transform: translateX(4px); }

.service-card { display: flex; flex-direction: column; }
.service-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.tag {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}
.service-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--color-border);
  display: flex; align-items: center; justify-content: flex-end;
}
.service-index {
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}

/* -------- Page hero (inner pages) -------- */
.page-hero {
  padding: 7rem 0 4rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  background:
    radial-gradient(circle at 10% 0%, rgba(128,0,32,0.12), transparent 40%),
    var(--color-bg-base);
}
.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  max-width: 20ch;
  margin-bottom: 1.5rem;
}
.page-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 58ch;
}

/* -------- About specific -------- */
.two-col-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.paragraph { font-size: 1rem; color: var(--color-text-muted); line-height: 1.7; }
.about-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 5;
}
.about-image img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.5) contrast(1.05);
  transition: filter var(--t-slow), transform var(--t-slow);
}
.about-image:hover img { filter: grayscale(0); transform: scale(1.03); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-surface);
}
.info-item {
  display: flex; flex-direction: column; gap: 0.4rem;
  padding: 1.75rem;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.info-item-wide { grid-column: 1 / -1; }
.info-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.info-value {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text-main);
  font-weight: 700;
}

@media (max-width: 860px) {
  .two-col-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .info-item { border-right: none; }
}

/* -------- CTA Band -------- */
.cta-band {
  background:
    linear-gradient(rgba(10, 10, 10, 0.88), rgba(10, 10, 10, 0.92)),
    linear-gradient(135deg, var(--color-primary) 0%, #2a0009 100%);
  padding: 5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  flex-wrap: wrap;
}
.cta-band h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 0.5rem;
  color: var(--color-text-main);
}
.cta-band p { margin: 0; color: var(--color-text-muted); }

/* -------- Contact page -------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}
.contact-info {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
}
.info-list {
  list-style: none; margin: 2rem 0 0; padding: 0;
}
.info-list li {
  display: flex; gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.info-list li:last-child { border-bottom: none; }
.info-list i {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(128,0,32,0.15);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.info-list div { display: flex; flex-direction: column; gap: 0.25rem; }
.info-list span.info-label { font-size: 0.7rem; }
.info-list a { color: var(--color-text-main); }
.info-list a:hover { color: var(--color-primary); }

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
}
.form-row { margin-bottom: 1.25rem; }
.form-row label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--color-bg-base);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--t-med), box-shadow var(--t-med);
}
.form-row textarea { resize: vertical; min-height: 140px; }
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.2);
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: #555; }

.form-status {
  margin-top: 1rem;
  min-height: 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.form-status.success { color: #6ee7b7; }
.form-status.error { color: #fca5a5; }

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

/* -------- Footer -------- */
.site-footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-brand .brand { margin-bottom: 1rem; }
.footer-blurb { max-width: 40ch; font-size: 0.9rem; }
.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.75rem; font-size: 0.9rem; }
.footer-col li i { color: var(--color-primary); margin-right: 0.5rem; }
.footer-col a:hover { color: var(--color-text-main); }
.dim { color: #666; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  font-size: 0.8rem;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { margin: 0; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .section { padding: 4rem 0; }
  .page-hero { padding: 5rem 0 3rem; }
  .contact-info, .contact-form { padding: 1.75rem; }
  .container { padding: 0 1.25rem; }
}

/* -------- Scroll fade-in animation -------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in { opacity: 1; transform: none; }
}