:root {
  --bg: #0c0c0c;
  --text: #cccccc;
  --heading: #eeeeee;
  --muted: #666666;
  --quiet: #444444;
  --divider: #1a1a1a;
  --accent: #a0522d;
  --accent-hover: #b5653f;
  --button-border: #333333;
  --max-width: 1200px;
  --section-pad: 4.75rem;
  --font-sans: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Courier New", "Lucida Console", monospace;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(12, 12, 12, 0.96);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: blur(8px);
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-row {
  min-height: 4.5rem;
}

.brand-mark,
.section-tag,
.language-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--accent);
  white-space: nowrap;
}

.header-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--accent);
}

.hero,
.services,
.about-contact {
  padding: var(--section-pad) 0;
}

.hero {
  position: relative;
  overflow: clip;
}

.hero::after {
  content: "";
  position: absolute;
  top: 2.5rem;
  right: max(2rem, calc((100vw - var(--max-width)) / 2));
  width: min(28vw, 22rem);
  aspect-ratio: 1;
  background: url("/assets/tecoa-logo-icon-ember.png") center / contain no-repeat;
  opacity: 0.045;
  pointer-events: none;
}

.hero-grid,
.about-grid,
.service-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 3rem;
}

.hero-grid {
  align-items: stretch;
  min-height: min(72vh, 42rem);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1.5rem;
}

.hero-copy h1 {
  margin: 0;
  max-width: 7ch;
  color: var(--heading);
  font-weight: 200;
  font-size: clamp(3.25rem, 6vw, 5.1rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-detail {
  display: flex;
  align-items: flex-end;
}

.hero-panel {
  max-width: 34rem;
  margin-left: auto;
}

.lead {
  margin: 0;
  color: var(--heading);
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.7;
}

.hero-note {
  margin: 1rem 0 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.divider {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
  border-top: 1px solid var(--divider);
}

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  padding: 1.9rem 0 2rem;
  border-bottom: 1px solid var(--divider);
}

.service-row:first-of-type {
  padding-top: 0;
}

.service-row:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.section-tag {
  margin: 0 0 0.85rem;
  color: var(--accent);
}

.service-heading h3,
.about-panel h2,
.contact-panel h2 {
  margin: 0;
  color: var(--heading);
  font-weight: 300;
  letter-spacing: -0.03em;
}

.service-heading h3 {
  font-size: clamp(1.55rem, 2vw, 1.85rem);
}

.service-body p,
.about-panel p {
  margin: 0;
  color: var(--muted);
}

.about-panel p + p {
  margin-top: 1rem;
}

.service-body p {
  line-height: 1.8;
}

.about-panel,
.contact-panel {
  max-width: 33rem;
}

.about-panel h2,
.contact-panel h2 {
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin-bottom: 1.15rem;
}

.language-note {
  margin-top: 1.4rem;
  color: var(--accent);
}

.trust-line {
  max-width: 29rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin: 1.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-style: normal;
  letter-spacing: 0.04em;
  line-height: 1.9;
  color: #9a9a9a;
}

.contact-link {
  width: fit-content;
}

.accent-link {
  color: var(--accent);
}

.contact-form {
  margin-top: 1.75rem;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.field-label,
.form-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-label {
  color: var(--quiet);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--divider);
  border-radius: 0;
  background: transparent;
  color: var(--heading);
  font: inherit;
  padding: 0.85rem 0.9rem;
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 8rem;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.form-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 0;
  background: var(--accent);
  color: #f3f3f3;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.form-button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.form-note {
  margin: 0;
  color: var(--quiet);
}

.form-note[data-state="error"] {
  color: var(--accent);
}

.form-note[data-state="ready"] {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--divider);
  padding: 1.35rem 0 1.7rem;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--quiet);
}

.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;
}

@media (max-width: 768px) {
  :root {
    --section-pad: 3.25rem;
  }

  .container,
  .divider {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .header-row,
  .footer-row {
    gap: 0.75rem;
  }

  .brand-mark span,
  .header-link {
    letter-spacing: 0.14em;
  }

  .hero::after {
    top: auto;
    bottom: 2rem;
    right: 1.5rem;
    width: 9rem;
  }

  .hero-grid,
  .about-grid,
  .service-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .hero-grid {
    min-height: auto;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 10vw, 2.6rem);
    max-width: 8ch;
  }

  .hero-panel {
    margin-left: 0;
  }

  .service-row {
    padding: 1.4rem 0 1.5rem;
  }

  .site-footer {
    padding-bottom: 2rem;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
}