/* ==========================================================================
   DeepGraph — Local Fonts (Figtree)
   ========================================================================== */

/* latin-ext */
@font-face {
  font-family: 'Figtree';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/figtree-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Figtree';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/figtree-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/figtree-normal-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/figtree-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   DeepGraph — Global Foundation
   Variables · Reset · Typography · Nav · Footer · Shared utilities
   ========================================================================== */

:root {
  /* Colors */
  --color-bg-light: #F2F1EC;
  --color-bg-dark: #0A0A0A;
  --color-text-primary: #0A0A0A;
  --color-text-secondary: #2B2B2B;
  --color-text-tertiary: #6B6B6B;
  --color-text-quaternary: #9A9A95;
  --color-border-light: #C8C7C0;
  --color-border-subtle: #E2E1DA;
  --color-mint: #2EE5A8;
  --color-mint-deep: #00A36C;

  /* Container */
  --container-max: 1440px;
  --container-padding-desktop: 80px;
  --container-padding-tablet: 48px;
  --container-padding-mobile: 24px;
  --container-padding: var(--container-padding-desktop);

  /* Spacing */
  --space-section-desktop: 128px;
  --space-section-mobile: 80px;
  --space-section: var(--space-section-desktop);
  --space-editorial-gap: 96px;
  --space-grid-gap: 32px;

  /* Typography */
  --font-primary: 'Figtree', system-ui, -apple-system, sans-serif;

  /* Internals */
  --read-w: 720px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tablet: 768–1023 */
@media (max-width: 1023px) {
  :root { --container-padding: var(--container-padding-tablet); }
}
/* Mobile: ≤767 */
@media (max-width: 767px) {
  :root {
    --container-padding: var(--container-padding-mobile);
    --space-section: var(--space-section-mobile);
  }
}

/* ==========================================================================
   Reset · Base
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-primary);
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

::selection { background: var(--color-mint); color: var(--color-text-primary); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Generic container helper */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ==========================================================================
   NAV
   ========================================================================== */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--container-padding);
  background: rgba(242, 241, 236, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background 400ms var(--ease), backdrop-filter 400ms var(--ease), border-color 400ms var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(242, 241, 236, 0.88);
  backdrop-filter: blur(14px) saturate(1.05);
  -webkit-backdrop-filter: blur(14px) saturate(1.05);
  border-bottom-color: var(--color-border-light);
}

.nav.on-dark { color: var(--color-bg-light); }
.nav.on-dark .nav-logo,
.nav.on-dark .nav-links a,
.nav.on-dark .nav-lang button { color: var(--color-bg-light); }
.nav.on-dark.scrolled { color: var(--color-text-primary); }
.nav.on-dark.scrolled .nav-logo,
.nav.on-dark.scrolled .nav-links a,
.nav.on-dark.scrolled .nav-lang button { color: var(--color-text-primary); }

.nav-logo {
  font-size: 18px;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  color: var(--color-text-primary);
}
.nav-logo .lm-deep  { font-weight: 400; }
.nav-logo .lm-graph { font-weight: 800; }

.nav-links {
  display: flex;
  gap: 30px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  color: var(--color-text-primary);
  transition: opacity 200ms ease, color 200ms ease;
  opacity: 0.78;
}
.nav-links a:hover { opacity: 1; }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--color-mint-deep);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 360ms var(--ease);
}
.nav-links a.active { opacity: 1; }
.nav-links a.active::after { transform: scaleX(1); }
.nav.on-dark:not(.scrolled) .nav-links a::after { background: var(--color-mint); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}
.nav-lang button {
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 4px 0;
  opacity: 0.6;
  position: relative;
  transition: opacity 200ms ease;
}
.nav-lang button[aria-pressed="true"] {
  opacity: 1;
  text-decoration: underline;
  text-decoration-color: var(--color-mint-deep);
  text-underline-offset: 5px;
  text-decoration-thickness: 1.5px;
}
.nav-lang button:focus-visible {
  outline: 2px solid var(--color-mint-deep);
  outline-offset: 3px;
}
.nav.on-dark:not(.scrolled) .nav-lang button[aria-pressed="true"] {
  text-decoration-color: var(--color-mint);
}
.nav-lang .sep { color: var(--color-border-light); }

.nav-burger {
  display: none;
  width: 28px; height: 28px;
  background: transparent; border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  height: 1.5px;
  background: currentColor;
  margin: 5px 0;
  transition: transform 300ms ease, opacity 200ms ease;
}

@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .nav-right { gap: 16px; }
  .nav-mobile-open .nav-links {
    display: flex;
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--color-bg-light);
    flex-direction: column;
    gap: 8px;
    padding: 88px var(--container-padding) 32px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 14px;
  }
  .nav-mobile-open .nav-links a { padding: 12px 0; }
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */

.eyebrow {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}
.eyebrow--mint { color: var(--color-mint); }

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  text-wrap: balance;
}

p { text-wrap: pretty; }

/* ==========================================================================
   Shared — Section wrapper, tag block, scroll reveal
   ========================================================================== */

.section {
  padding: var(--space-section) var(--container-padding);
}
.section--off-white,
.section-light      { background: var(--color-bg-light); color: var(--color-text-primary); }
.section--ink       { background: var(--color-bg-dark);  color: var(--color-bg-light); }

.section-inner { max-width: var(--container-max); margin: 0 auto; width: 100%; }
.section-inner--narrow { max-width: var(--container-max); }

.tag-block {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid rgba(242, 241, 236, 0.18);
  padding-top: 20px;
}
.section--off-white .tag-block { border-top-color: var(--color-border-light); }
.tag-block li {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(242, 241, 236, 0.62);
  padding: 6px 0;
}
.section--off-white .tag-block li { color: var(--color-text-tertiary); }
.tag-block li:not(:last-child)::after {
  content: '·';
  margin: 0 14px;
  color: var(--color-mint);
  opacity: 0.7;
}

/* Generic scroll-reveal */
.studio-stack, .insight-card, .sov-pillar, .sense-visual {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
.studio-stack.reveal-in,
.insight-card.reveal-in,
.sov-pillar.reveal-in,
.sense-visual.reveal-in {
  opacity: 1; transform: translateY(0);
}
.insight-card:nth-child(2).reveal-in { transition-delay: 120ms; }
.insight-card:nth-child(3).reveal-in { transition-delay: 240ms; }
.sov-pillar:nth-child(2).reveal-in   { transition-delay: 120ms; }
.sov-pillar:nth-child(3).reveal-in   { transition-delay: 240ms; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  border-top: 1px solid var(--color-border-light);
  padding: 80px var(--container-padding) 40px;
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
}
.footer-logo { font-size: 20px; letter-spacing: -0.02em; display: inline-flex; align-items: baseline; }
.footer-logo .lm-deep  { font-weight: 400; }
.footer-logo .lm-graph { font-weight: 800; }
.footer-tag { font-size: 13px; color: var(--color-text-tertiary); margin-top: 14px; max-width: 280px; line-height: 1.55; }
.footer-col h4 {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-quaternary);
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13.5px; color: var(--color-text-primary); opacity: 0.78; transition: opacity 200ms ease; }
.footer-col a:hover { opacity: 1; }
.footer-col a:focus-visible {
  outline: 2px solid var(--color-mint-deep);
  outline-offset: 3px;
  opacity: 1;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 64px auto 0;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--color-text-quaternary);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 1100px) {
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
}
@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   Sub-page helpers (lead copy, placeholder block)
   ========================================================================== */

.lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-tertiary);
  max-width: var(--read-w);
  margin: 0 0 48px;
}

.content-placeholder {
  margin-top: 48px;
  padding: 64px 32px;
  border: 1px dashed var(--color-border-light);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-quaternary);
}

/* ==========================================================================
   Impressum — typography for the legal-notice block (page + modal)
   ========================================================================== */

.impressum {
  max-width: 640px;
  margin: 0 auto;
}
.impressum h1 {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 40px;
  color: var(--color-text-primary);
}
.impressum h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-quaternary);
  margin: 32px 0 10px;
}
.impressum h2:first-of-type {
  margin-top: 0;
}
.impressum p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 8px;
}
.impressum a {
  color: var(--color-mint-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 200ms ease;
}
.impressum a:hover { color: var(--color-text-primary); }
.impressum a:focus-visible {
  outline: 2px solid var(--color-mint-deep);
  outline-offset: 2px;
}

/* ==========================================================================
   Modal — used by /impressum trigger
   ========================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease);
}
.modal[hidden] { display: none; }
.modal.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-dialog {
  position: relative;
  z-index: 1;
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  width: calc(100% - 48px);
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 64px 56px 56px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
  border: 1px solid var(--color-border-light);
  transform: translateY(12px);
  transition: transform 240ms var(--ease);
}
.modal.open .modal-dialog { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color 200ms ease, background 200ms ease;
  border-radius: 0;
}
.modal-close:hover {
  color: var(--color-text-primary);
  background: rgba(0, 0, 0, 0.05);
}
.modal-close:focus-visible {
  outline: 2px solid var(--color-mint-deep);
  outline-offset: 2px;
}
body.modal-open { overflow: hidden; }

@media (max-width: 600px) {
  .modal-dialog { padding: 56px 32px 40px; }
}

/* ==========================================================================
   DeepGraph — Consent Banner (DSGVO / GDPR)
   ========================================================================== */

.dg-consent-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: calc(100% - 48px);
  max-width: 440px;
  background: rgba(10, 10, 10, 0.94);
  color: #F2F1EC;
  border: 1px solid rgba(242, 241, 236, 0.12);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1), transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  font-family: var(--font-primary);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  border-radius: 2px;
}

.dg-consent-banner.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dg-consent-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dg-consent-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-mint);
}

.dg-consent-text {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(242, 241, 236, 0.78);
  margin: 0;
}

.dg-consent-text a {
  color: var(--color-mint);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 200ms ease;
}

.dg-consent-text a:hover {
  color: #FFFFFF;
}

.dg-consent-actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
}

.dg-consent-btn {
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 20px;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
  border-radius: 0;
  outline: none;
}

.dg-consent-btn--primary {
  background: var(--color-mint-deep);
  color: #FFFFFF;
}

.dg-consent-btn--primary:hover {
  background: var(--color-mint);
  color: var(--color-bg-dark);
}

.dg-consent-btn--secondary {
  background: transparent;
  color: rgba(242, 241, 236, 0.7);
  border: 1px solid rgba(242, 241, 236, 0.2);
}

.dg-consent-btn--secondary:hover {
  border-color: rgba(242, 241, 236, 0.6);
  color: #FFFFFF;
}

.dg-consent-btn:focus-visible {
  outline: 2px solid var(--color-mint);
  outline-offset: 3px;
}

@media (max-width: 640px) {
  .dg-consent-banner {
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    border-left: none;
    border-right: none;
    border-bottom: none;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.25);
    transform: translateY(100%);
    border-radius: 0;
  }
}