/* Ammerman Systems LLC — site styles */

:root {
  --bg: #141618;
  --bg-elevated: #1c1f22;
  --bg-soft: #22262a;
  --ink: #f3f1ec;
  --ink-muted: #b4b0a8;
  --ink-dim: #8a8680;
  --line: rgba(243, 241, 236, 0.12);
  --line-strong: rgba(243, 241, 236, 0.22);
  --accent: #c9a063;
  --accent-soft: rgba(201, 160, 99, 0.16);
  --steel: #7f97a6;
  --steel-soft: rgba(127, 151, 166, 0.18);
  --radius: 2px;
  --header-h: 4.25rem;
  --space: clamp(1rem, 2.5vw, 2rem);
  --max: 70rem;
  --font-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: "Source Sans 3", "Source Sans Pro", "Helvetica Neue", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(127, 151, 166, 0.14), transparent 55%),
    radial-gradient(900px 600px at 90% 8%, rgba(201, 160, 99, 0.08), transparent 50%),
    linear-gradient(180deg, #101214 0%, var(--bg) 28%, #121416 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(20, 22, 24, 0.78);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.95rem var(--space);
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.logo:hover {
  color: var(--ink);
}

.logo__mark {
  width: 0.85rem;
  height: 0.85rem;
  border: 1.5px solid var(--accent);
  background:
    linear-gradient(135deg, transparent 48%, var(--accent) 48%, var(--accent) 52%, transparent 52%),
    linear-gradient(45deg, transparent 48%, var(--steel) 48%, var(--steel) 52%, transparent 52%);
  flex-shrink: 0;
}

.logo__text {
  font-size: 0.98rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__list a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-muted);
  transition: color 0.25s var(--ease);
}

.nav__list a:hover,
.nav__list a:focus-visible {
  color: var(--ink);
}

.nav__cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line-strong);
  color: var(--ink) !important;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav__cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.nav__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.nav__toggle-bars,
.nav__toggle-bars::before,
.nav__toggle-bars::after {
  display: block;
  width: 1.15rem;
  height: 1.5px;
  background: currentColor;
  position: relative;
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav__toggle-bars::before,
.nav__toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav__toggle-bars::before {
  top: -6px;
}

.nav__toggle-bars::after {
  top: 6px;
}

.nav.is-open .nav__toggle-bars {
  background: transparent;
}

.nav.is-open .nav__toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav.is-open .nav__toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: clip;
  isolation: isolate;
}

.hero__atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(243, 241, 236, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 241, 236, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 20%, transparent 75%);
  opacity: 0.7;
  animation: grid-drift 28s linear infinite;
}

.hero__glow {
  position: absolute;
  width: min(70vw, 42rem);
  height: min(70vw, 42rem);
  right: -8%;
  top: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 40%, rgba(127, 151, 166, 0.28), transparent 55%),
    radial-gradient(circle at 70% 65%, rgba(201, 160, 99, 0.16), transparent 50%);
  filter: blur(8px);
  animation: glow-breathe 9s ease-in-out infinite;
}

.hero__sheen {
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(180deg, transparent, rgba(10, 11, 12, 0.85));
}

.hero__content {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(3.5rem, 10vh, 7rem) var(--space) clamp(3rem, 8vh, 5.5rem);
}

.hero__eyebrow {
  margin: 0 0 1.1rem;
  max-width: 100%;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  overflow-wrap: anywhere;
  hyphens: auto;
}

.hero__brand {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero__motto {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem 0.85rem;
  margin: 1.35rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-style: italic;
  color: var(--ink-muted);
}

.hero__motto-latin {
  color: var(--accent);
  font-style: italic;
}

.hero__motto-sep {
  color: var(--ink-dim);
  font-style: normal;
}

.hero__motto-en {
  font-style: italic;
}

.hero__lede {
  max-width: 36rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--ink-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--accent);
  color: #1a1510;
}

.btn--primary:hover {
  background: #d6b078;
  color: #1a1510;
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
}

.btn--ghost:hover {
  border-color: var(--steel);
  color: var(--ink);
  background: var(--steel-soft);
}

/* Sections */

.section {
  padding: clamp(4.5rem, 12vw, 7.5rem) 0;
  border-top: 1px solid var(--line);
}

.section__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
}

.section__label {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.section__intro {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 6vw, 3.75rem);
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.section__lede {
  margin: 1rem 0 0;
  color: var(--ink-muted);
  font-size: 1.08rem;
}

.about__points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.about__points h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.about__points p {
  margin: 0;
  color: var(--ink-muted);
}

.about__points li {
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-strong);
}

.capability-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.capability {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem 1.5rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}

.capability:hover {
  background: linear-gradient(90deg, rgba(127, 151, 166, 0.06), transparent 60%);
}

.capability__index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 0.2rem;
}

.capability h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.capability p {
  margin: 0;
  max-width: 42rem;
  color: var(--ink-muted);
}

/* Contact */

.contact {
  background:
    linear-gradient(180deg, rgba(28, 31, 34, 0.55), rgba(20, 22, 24, 0.2));
}

.contact__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}

.contact__panel {
  padding: 1.75rem;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(160deg, rgba(34, 38, 42, 0.9), rgba(20, 22, 24, 0.75));
}

.contact__panel-label {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.contact__status {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.contact__placeholder {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 600;
}

.contact__hint {
  margin: 1rem 0 1.5rem;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

.contact__pattern {
  display: inline-block;
  margin-top: 0.25rem;
  color: var(--ink-muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}

.site-footer__brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
}

.site-footer__copy {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

/* Reveal motion */

[data-reveal] {
  opacity: 0;
  transform: translateY(1.1rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes grid-drift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(72px);
  }
}

@keyframes glow-breathe {
  0%,
  100% {
    opacity: 0.85;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.06);
  }
}

/* Responsive */

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

  .contact__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero__eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    line-height: 1.45;
  }

  .hero__brand {
    max-width: none;
  }

  .hero__lede {
    overflow-wrap: break-word;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--space) 1rem;
    background: rgba(16, 18, 20, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open .nav__list {
    display: flex;
  }

  .nav__list a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav__cta {
    margin-top: 0.5rem;
    text-align: center;
    border-bottom: 1px solid var(--line-strong) !important;
  }

  .capability {
    grid-template-columns: 3rem 1fr;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}