/* ═══════════════════════════════════════════════════════════
   ENVISBO — Design System v2
   "Ocean Intelligence" — Authentic, not abgespaced
   Palette:    Deep Ocean #005A78 · Mint #80FFD5 · Warm Cream #FAFAF7
   Fonts:      Calistoga (Display) · Inter (Body) · JetBrains Mono (Labels)
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Calistoga&family=Inter:ital,wght@0,300;0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ─────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:           #FAFAF7;   /* warm cream — main sections         */
  --bg-surface:   #FFFFFF;   /* card surfaces                      */
  --bg-dark:      #040D12;   /* ocean black — hero, CTA, manifesto */
  --bg-mid:       #071520;   /* slightly lighter dark               */

  /* Text */
  --text:         #0D1A14;   /* warm black                         */
  --text-muted:   #5C6B62;   /* warm muted                         */
  --text-faint:   #99A89F;   /* very muted                         */
  --text-on-dark: rgba(255,255,255,0.88);
  --text-on-dark-muted: rgba(255,255,255,0.52);

  /* Brand */
  --ocean:        #005A78;   /* deep ocean blue                    */
  --ocean-dark:   #004460;   /* hover state                        */
  --mint:         #80FFD5;   /* bright mint from shader            */
  --teal:         #0D9189;   /* mid teal                           */
  --mint-faint:   rgba(128,255,213,0.10);

  /* Borders */
  --border:       #E8EAE5;
  --border-dark:  rgba(255,255,255,0.08);

  /* Typography */
  --font-display: 'Calistoga', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing — 8px grid */
  --s1: 0.5rem;    /* 8px  */
  --s2: 1rem;      /* 16px */
  --s3: 1.5rem;    /* 24px */
  --s4: 2rem;      /* 32px */
  --s5: 2.5rem;    /* 40px */
  --s6: 3rem;      /* 48px */
  --s8: 4rem;      /* 64px */
  --s10: 5rem;     /* 80px */

  /* Radii */
  --r-sm:   6px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.09), 0 1px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --fast: 150ms;
  --mid:  250ms;
  --slow: 480ms;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--s3);
}
.section      { padding-block: var(--s8); }
.section-sm   { padding-block: var(--s5); }

/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: 80ms;  }
.d2 { transition-delay: 160ms; }
.d3 { transition-delay: 240ms; }
.d4 { transition-delay: 320ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Label chip ─────────────────────────────────────────── */
.label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ocean);
  background: rgba(0,90,120,0.06);
  border: 1px solid rgba(0,90,120,0.14);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  margin-bottom: var(--s2);
}
.label::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ocean);
}
.label--light {
  color: var(--mint);
  background: rgba(128,255,213,0.08);
  border-color: rgba(128,255,213,0.2);
}
.label--light::before { background: var(--mint); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 1.625rem;
  border-radius: var(--r-pill);
  transition:
    transform var(--fast) var(--ease),
    box-shadow var(--mid) var(--ease),
    background var(--fast) var(--ease),
    border-color var(--fast);
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--ocean); outline-offset: 3px; }

.btn-ocean {
  background: var(--ocean);
  color: #fff;
}
.btn-ocean:hover {
  background: var(--ocean-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,90,120,0.28);
}

.btn-mint {
  background: var(--mint);
  color: var(--bg-dark);
  font-weight: 600;
}
.btn-mint:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(128,255,213,0.35);
  background: #9FFFDF;
}

.btn-ghost-dark {
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
}
.btn-ghost-dark:hover {
  background: rgba(255,255,255,0.13);
  border-color: rgba(255,255,255,0.28);
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════════
   HEADER / NAV
══════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 1.125rem;
  transition: background var(--mid) var(--ease), box-shadow var(--mid) var(--ease);
}
.site-header.scrolled {
  background: rgba(4,13,18,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--s4);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: var(--mint);
  display: flex; align-items: center; justify-content: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s4);
  margin-left: auto;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  transition: color var(--fast);
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-left: var(--s2);
}
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-pill);
  padding: 5px 10px;
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}
.lang-btn:hover { color: #fff; border-color: rgba(255,255,255,0.35); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  margin-left: auto;
  color: #fff;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--mid) var(--ease), opacity var(--fast);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed; inset: 0;
    background: rgba(4,13,18,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center; justify-content: center;
    gap: var(--s5);
    z-index: 99;
  }
  .nav-links.is-open { display: flex; }
  .nav-link { font-size: 1.4rem; }
  .nav-right .btn { display: none; }
}

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100svh;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  touch-action: none;
}
/* Gradient fade into manifesto section */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--bg-dark));
  pointer-events: none;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-inline: var(--s3);
  max-width: 800px;
  opacity: 0;
  transition: opacity 0.9s var(--ease);
}
.hero-content.hero-ready { opacity: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
  background: rgba(128,255,213,0.10);
  border: 1px solid rgba(128,255,213,0.22);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  margin-bottom: var(--s4);
  animation: fadeDown 0.8s var(--ease) 0.15s both;
}
.badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 6.5rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: var(--s3);
}
.hero-headline .l1 {
  display: block;
  animation: fadeUp 0.8s var(--ease) 0.3s both;
}
.hero-headline .l2 {
  display: block;
  color: var(--mint);
  animation: fadeUp 0.8s var(--ease) 0.45s both;
}
.hero-sub {
  font-size: clamp(0.975rem, 1.8vw, 1.125rem);
  font-weight: 300;
  color: rgba(255,255,255,0.68);
  line-height: 1.7;
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--s5);
  animation: fadeUp 0.8s var(--ease) 0.6s both;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  flex-wrap: wrap;
  animation: fadeUp 0.8s var(--ease) 0.75s both;
}

@keyframes fadeDown {
  from { opacity:0; transform: translateY(-14px); }
  to   { opacity:1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity:0; transform: translateY(22px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════
   MANIFESTO (dark, connected from hero)
══════════════════════════════════════════════════════════ */
.manifesto {
  background: var(--bg-dark);
  padding-block: var(--s8) var(--s10);
}
.manifesto-inner {
  max-width: 760px;
}
.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  line-height: 1.3;
  color: rgba(255,255,255,0.88);
  margin-bottom: var(--s3);
}
.manifesto-text em {
  font-style: normal;
  color: var(--mint);
}
.manifesto-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-on-dark-muted);
  line-height: 1.7;
  max-width: 540px;
}

/* ══════════════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════════ */
.services { background: var(--bg); }

.services-header { margin-bottom: var(--s6); }
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--text);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s2);
}
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s4) var(--s4);
  position: relative;
  overflow: hidden;
  transition: transform var(--mid) var(--ease), box-shadow var(--mid) var(--ease), border-color var(--mid);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ocean), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--mid) var(--ease);
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::after { transform: scaleX(1); }
.service-no {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ocean);
  margin-bottom: var(--s2);
}
.service-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: rgba(0,90,120,0.06);
  border: 1px solid rgba(0,90,120,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--ocean);
  margin-bottom: var(--s2);
}
.service-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.service-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 620px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════
   PROCESS
══════════════════════════════════════════════════════════ */
.process { background: var(--bg-surface); }
.process-header { margin-bottom: var(--s6); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s5);
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: linear-gradient(to right, var(--ocean), rgba(0,90,120,0.15), var(--ocean));
  z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--ocean);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--s3);
  box-shadow: 0 4px 16px rgba(0,90,120,0.3);
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: var(--s1);
}
.step-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 680px) {
  .process-steps { grid-template-columns: 1fr; }
  .process-steps::before { display: none; }
}

/* ══════════════════════════════════════════════════════════
   FOUNDERS
══════════════════════════════════════════════════════════ */
.founders { background: var(--bg); }
.founders-header { margin-bottom: var(--s6); }
.founders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s4);
}
.founder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--mid) var(--ease), box-shadow var(--mid) var(--ease);
}
.founder-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.founder-photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: top center;
  display: block;
  background: #c8d6d0; /* fallback */
}
.founder-info {
  padding: var(--s3) var(--s4);
}
.founder-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text);
  margin-bottom: 4px;
}
.founder-role {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ocean);
  margin-bottom: var(--s2);
}
.founder-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 600px) {
  .founders-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════
   CTA
══════════════════════════════════════════════════════════ */
.cta-section {
  background: var(--bg-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,90,120,0.3) 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; max-width: 600px; margin-inline: auto; }
.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--s2);
}
.cta-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--s5);
  line-height: 1.7;
}
.cta-note {
  display: block;
  margin-top: var(--s3);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.22);
}

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--bg-mid);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-block: var(--s6);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s3);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.75);
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.footer-logo-mark {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--mint);
  display: flex; align-items: center; justify-content: center;
}
.footer-tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.28);
  margin-top: 3px;
}
.footer-links {
  display: flex;
  gap: var(--s4);
}
.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--fast);
}
.footer-links a:hover { color: rgba(255,255,255,0.7); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.2);
}
@media (max-width: 600px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}