/* ============================================================
   1885 Technologies – Corporate Site
   Minimal, editorial, cool neutrals + warm cream accent
   ============================================================ */

:root {
  /* Palette */
  --color-bg:        #0a0a0a;
  --color-surface:   #111111;
  --color-surface-2: #161616;
  --color-line:      #262626;
  --color-text:      #e8e2d5;   /* warm off-white */
  --color-text-mute: #8a8378;
  --color-accent:    #d4b483;   /* warm sand */
  --color-link:      #e8e2d5;

  /* Typography */
  --font-display: 'General Sans', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Satoshi', ui-sans-serif, system-ui, sans-serif;

  --text-xs:   0.8125rem;   /* 13px */
  --text-sm:   0.9375rem;   /* 15px */
  --text-base: 1.0625rem;   /* 17px */
  --text-lg:   1.25rem;     /* 20px */
  --text-xl:   1.75rem;     /* 28px */
  --text-2xl:  clamp(2rem, 4vw, 3.25rem);
  --text-hero: clamp(2.75rem, 7vw, 5.5rem);

  /* Spacing */
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container:   72rem;
  --container-narrow: 48rem;
  --radius: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--color-link); text-decoration: none; transition: opacity 0.2s ease; }
a:hover { opacity: 0.7; }

::selection { background: var(--color-accent); color: var(--color-bg); }

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) clamp(var(--space-6), 5vw, var(--space-12));
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.brand-mark { width: 32px; height: 32px; color: var(--color-accent); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: var(--space-8);
}
.site-nav a {
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  font-family: var(--font-display);
  font-weight: 500;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--color-text); opacity: 1; }
.site-nav a.is-active {
  color: var(--color-text);
  opacity: 1;
}
.site-nav a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-accent);
}

@media (max-width: 640px) {
  .site-nav { gap: var(--space-4); }
  .site-nav a { font-size: var(--text-xs); }
  .brand-name { display: none; }
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: var(--space-24) clamp(var(--space-6), 5vw, var(--space-12));
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
}
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: var(--space-8);
}
.hero h1::after {
  content: '.';
  color: var(--color-accent);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-mute);
  max-width: 42ch;
  line-height: 1.55;
}

.hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 70%);
}

/* ------------------------------------------------------------
   Sections
   ------------------------------------------------------------ */
.section {
  padding: var(--space-24) clamp(var(--space-6), 5vw, var(--space-12));
  border-top: 1px solid var(--color-line);
}
.section-alt { background: var(--color-surface); }

.section-header {
  max-width: var(--container);
  margin: 0 auto var(--space-12);
}
.section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.section-body {
  max-width: var(--container);
  margin: 0 auto;
}
.section-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
  max-width: 22ch;
}
.section-body h2::after {
  content: '.';
  color: var(--color-accent);
}
.section-body p {
  max-width: 62ch;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}
.section-body p.muted { color: var(--color-text-mute); }

.section-body p.pull {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.35;
  color: var(--color-text);
  max-width: 32ch;
  margin-bottom: var(--space-12);
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-accent);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ------------------------------------------------------------
   Principle grid
   ------------------------------------------------------------ */
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
}
@media (max-width: 860px) {
  .principle-grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

.principle {
  padding: var(--space-8);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.2);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.principle:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.principle-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  line-height: 1;
}
.principle h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.principle p {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.6;
  margin-bottom: 0;
  max-width: none;
}

/* ------------------------------------------------------------
   Stat grid (Kontext)
   ------------------------------------------------------------ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin: var(--space-8) 0 var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-line);
}
@media (max-width: 860px) {
  .stat-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--color-accent);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.5;
  max-width: 32ch;
}

/* ------------------------------------------------------------
   Focus grid
   ------------------------------------------------------------ */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-line);
}
@media (max-width: 860px) {
  .focus-grid { grid-template-columns: 1fr; }
}

.focus {
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.focus:last-child { border-right: none; }
@media (max-width: 860px) {
  .focus { border-right: none; }
}
.focus-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}
.focus h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.focus p {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  line-height: 1.6;
  margin-bottom: 0;
  max-width: none;
}

/* ------------------------------------------------------------
   Contact grid
   ------------------------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

.contact-block {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-8);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface-2);
}
.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-4);
  align-items: start;
  font-size: var(--text-sm);
  line-height: 1.55;
}
.contact-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-mute);
  padding-top: 2px;
}

/* ------------------------------------------------------------
   Impressum
   ------------------------------------------------------------ */
.imprint {
  max-width: var(--container-narrow);
}
.imprint h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-12);
  margin-bottom: var(--space-3);
}
.imprint h3:first-of-type { margin-top: var(--space-4); }
.imprint p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-mute);
  max-width: 65ch;
}
.imprint p a { color: var(--color-text); border-bottom: 1px solid var(--color-line); }
.imprint p a:hover { border-color: var(--color-accent); opacity: 1; }
.imprint em { color: var(--color-text-mute); font-style: italic; }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-12) clamp(var(--space-6), 5vw, var(--space-12));
  background: var(--color-surface);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-mark {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}
.footer-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-mute);
  letter-spacing: 0.05em;
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--color-text-mute);
  text-align: right;
  line-height: 1.6;
}
@media (max-width: 640px) {
  .footer-inner { align-items: flex-start; }
  .footer-meta { text-align: left; }
}

/* ------------------------------------------------------------
   Reveal on load
   ------------------------------------------------------------ */
.hero-inner > * {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.05s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.15s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.25s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-inner > * { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}