/* ==========================================================================
   GirafPingvin — Liquid Glass Chameleon Design System
   Premium glassmorphism · Animated aurora · Sliding pill nav
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. RESET & FOUNDATION
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  transition: color 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover { color: var(--color-link-hover); }

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

/* --------------------------------------------------------------------------
   2. THEME — GirafPingvin  (pastel aurora, rounded, playful)
   -------------------------------------------------------------------------- */
[data-theme="girafpingvin"] {
  --color-primary:        #FFB347;
  --color-primary-rgb:    255, 179, 71;
  --color-secondary:      #77DD77;
  --color-accent:         #FF6B9D;
  --color-bg:             #FFF9F0;
  --color-bg-alt:         #FFF3E0;
  --color-surface:        rgba(255, 255, 255, 0.55);
  --color-surface-solid:  #FFFFFF;
  --color-text:           #3D2C2C;
  --color-text-muted:     #8B7E74;
  --color-link:           #E07B39;
  --color-link-hover:     #C0612A;

  /* Liquid Glass Nav */
  --glass-bg:             rgba(255, 255, 255, 0.45);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.7) 0%,
                            rgba(255, 179, 71, 0.2) 50%,
                            rgba(255, 255, 255, 0.4) 100%);
  --glass-shadow:         0 8px 32px rgba(255, 179, 71, 0.10),
                          0 1px 3px  rgba(0, 0, 0, 0.04);
  --glass-blur:           blur(24px) saturate(180%);
  --nav-text:             #1A1A1A;
  --nav-active:           #C0612A;
  --pill-bg:              rgba(255, 179, 71, 0.15);
  --pill-active-bg:       rgba(255, 179, 71, 0.22);
  --pill-glass-bg:        rgba(255, 179, 71, 0.14);
  --pill-glass-border:    rgba(255, 179, 71, 0.22);
  --pill-glass-glow:      rgba(255, 179, 71, 0.12);
  --pill-glass-highlight: rgba(255, 255, 255, 0.35);

  /* Lang toggle */
  --lang-bg:              rgba(255, 179, 71, 0.10);
  --lang-active-bg:       #FFB347;
  --lang-active-text:     #FFFFFF;

  /* Typography */
  --font-heading:         'Nunito', 'Comic Neue', system-ui, sans-serif;
  --font-body:            'Nunito', system-ui, sans-serif;
  --font-weight-heading:  800;
  --font-weight-body:     400;

  /* Shape */
  --radius-sm:            12px;
  --radius-md:            20px;
  --radius-lg:            28px;
  --radius-pill:          9999px;
  --radius-card:          24px;

  /* Cards */
  --card-bg:              rgba(255, 255, 255, 0.50);
  --card-border:          rgba(255, 255, 255, 0.65);
  --card-shadow:          0 4px 24px rgba(255, 179, 71, 0.10),
                          0 1px 2px  rgba(0, 0, 0, 0.03);
  --card-shadow-hover:    0 12px 40px rgba(255, 179, 71, 0.18),
                          0 2px 6px  rgba(0, 0, 0, 0.04);

  /* Aurora orbs */
  --orb-1:                radial-gradient(circle at 20% 20%,  rgba(255, 200, 120, 0.45) 0%, transparent 60%);
  --orb-2:                radial-gradient(circle at 80% 30%,  rgba(150, 200, 255, 0.35) 0%, transparent 55%);
  --orb-3:                radial-gradient(circle at 40% 80%,  rgba(255, 150, 200, 0.30) 0%, transparent 50%);
  --orb-4:                radial-gradient(circle at 70% 70%,  rgba(120, 230, 160, 0.28) 0%, transparent 55%);

  /* Hero */
  --hero-bg:              transparent;
  --hero-text:            #3D2C2C;
  --cta-bg:               #FFB347;
  --cta-text:             #FFFFFF;
  --cta-shadow:           0 4px 20px rgba(255, 179, 71, 0.35);

  /* Footer */
  --footer-bg:            rgba(255, 243, 224, 0.6);
  --footer-border:        rgba(255, 179, 71, 0.15);
}

/* --------------------------------------------------------------------------
   3. THEME — Nørdegiraf  (dark, neon glow, sleek)
   -------------------------------------------------------------------------- */
[data-theme="nordegiraf"] {
  --color-primary:        #00D4AA;
  --color-primary-rgb:    0, 212, 170;
  --color-secondary:      #7C4DFF;
  --color-accent:         #00B0FF;
  --color-bg:             #060A10;
  --color-bg-alt:         #0D1117;
  --color-surface:        rgba(255, 255, 255, 0.04);
  --color-surface-solid:  #141922;
  --color-text:           #E6EDF3;
  --color-text-muted:     #7D8590;
  --color-link:           #00D4AA;
  --color-link-hover:     #33FFCC;

  /* Liquid Glass Nav */
  --glass-bg:             rgba(255, 255, 255, 0.55);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.65) 0%,
                            rgba(0, 212, 170, 0.15) 50%,
                            rgba(255, 255, 255, 0.45) 100%);
  --glass-shadow:         0 8px 32px rgba(0, 0, 0, 0.25),
                          0 0 0 0.5px rgba(255, 255, 255, 0.08);
  --glass-blur:           blur(24px) saturate(180%);
  --nav-text:             #1A1A1A;
  --nav-active:           #0A7D64;
  --pill-bg:              rgba(0, 212, 170, 0.12);
  --pill-active-bg:       rgba(0, 212, 170, 0.20);
  --pill-glass-bg:        rgba(0, 212, 170, 0.12);
  --pill-glass-border:    rgba(0, 212, 170, 0.18);
  --pill-glass-glow:      rgba(0, 212, 170, 0.10);
  --pill-glass-highlight: rgba(255, 255, 255, 0.30);

  /* Lang toggle */
  --lang-bg:              rgba(0, 212, 170, 0.08);
  --lang-active-bg:       #00D4AA;
  --lang-active-text:     #FFFFFF;

  /* Typography */
  --font-heading:         'Inter', system-ui, -apple-system, sans-serif;
  --font-body:            'Inter', system-ui, -apple-system, sans-serif;
  --font-weight-heading:  700;
  --font-weight-body:     400;

  /* Shape */
  --radius-sm:            6px;
  --radius-md:            10px;
  --radius-lg:            14px;
  --radius-pill:          9999px;
  --radius-card:          16px;

  /* Cards */
  --card-bg:              rgba(255, 255, 255, 0.03);
  --card-border:          rgba(255, 255, 255, 0.06);
  --card-shadow:          0 2px 16px rgba(0, 0, 0, 0.30),
                          0 0 0 0.5px rgba(255, 255, 255, 0.04);
  --card-shadow-hover:    0 8px 40px rgba(0, 212, 170, 0.10),
                          0 0 0 0.5px rgba(0, 212, 170, 0.15);

  /* Aurora orbs — moody neon */
  --orb-1:                radial-gradient(circle at 25% 25%,  rgba(0, 212, 170, 0.12)  0%, transparent 55%);
  --orb-2:                radial-gradient(circle at 75% 20%,  rgba(124, 77, 255, 0.14) 0%, transparent 50%);
  --orb-3:                radial-gradient(circle at 50% 80%,  rgba(0, 176, 255, 0.10)  0%, transparent 55%);
  --orb-4:                radial-gradient(circle at 15% 70%,  rgba(124, 77, 255, 0.08) 0%, transparent 50%);

  /* Hero */
  --hero-bg:              transparent;
  --hero-text:            #E6EDF3;
  --cta-bg:               rgba(0, 212, 170, 0.15);
  --cta-text:             #00D4AA;
  --cta-shadow:           0 4px 24px rgba(0, 212, 170, 0.15);

  /* Footer */
  --footer-bg:            rgba(13, 17, 23, 0.6);
  --footer-border:        rgba(255, 255, 255, 0.04);
}

/* --------------------------------------------------------------------------
   4. THEME — Bag Masken  (neutral, elegant bridge)
   -------------------------------------------------------------------------- */
[data-theme="about"] {
  --color-primary:        #6C8EBF;
  --color-primary-rgb:    108, 142, 191;
  --color-secondary:      #D4A574;
  --color-accent:         #9B7ED8;
  --color-bg:             #F4F3EE;
  --color-bg-alt:         #EDECEA;
  --color-surface:        rgba(255, 255, 255, 0.50);
  --color-surface-solid:  #FFFFFF;
  --color-text:           #2C2C2C;
  --color-text-muted:     #6E6E6E;
  --color-link:           #6C8EBF;
  --color-link-hover:     #4A6D9E;

  --glass-bg:             rgba(255, 255, 255, 0.40);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.6) 0%,
                            rgba(108, 142, 191, 0.15) 50%,
                            rgba(255, 255, 255, 0.35) 100%);
  --glass-shadow:         0 8px 32px rgba(108, 142, 191, 0.08),
                          0 1px 3px  rgba(0, 0, 0, 0.03);
  --glass-blur:           blur(24px) saturate(180%);
  --nav-text:             #1A1A1A;
  --nav-active:           #4A6D9E;
  --pill-bg:              rgba(108, 142, 191, 0.10);
  --pill-active-bg:       rgba(108, 142, 191, 0.18);
  --pill-glass-bg:        rgba(108, 142, 191, 0.10);
  --pill-glass-border:    rgba(108, 142, 191, 0.16);
  --pill-glass-glow:      rgba(108, 142, 191, 0.08);
  --pill-glass-highlight: rgba(255, 255, 255, 0.28);

  --lang-bg:              rgba(108, 142, 191, 0.08);
  --lang-active-bg:       #6C8EBF;
  --lang-active-text:     #FFFFFF;

  --font-heading:         'Inter', 'Nunito', system-ui, sans-serif;
  --font-body:            'Inter', system-ui, sans-serif;
  --font-weight-heading:  700;
  --font-weight-body:     400;

  --radius-sm:            8px;
  --radius-md:            14px;
  --radius-lg:            20px;
  --radius-pill:          9999px;
  --radius-card:          20px;

  --card-bg:              rgba(255, 255, 255, 0.45);
  --card-border:          rgba(255, 255, 255, 0.55);
  --card-shadow:          0 3px 20px rgba(0, 0, 0, 0.04),
                          0 1px 2px  rgba(0, 0, 0, 0.02);
  --card-shadow-hover:    0 8px 36px rgba(108, 142, 191, 0.12),
                          0 2px 4px  rgba(0, 0, 0, 0.03);

  --orb-1:                radial-gradient(circle at 30% 25%,  rgba(108, 142, 191, 0.25) 0%, transparent 55%);
  --orb-2:                radial-gradient(circle at 70% 20%,  rgba(155, 126, 216, 0.20) 0%, transparent 50%);
  --orb-3:                radial-gradient(circle at 50% 75%,  rgba(212, 165, 116, 0.20) 0%, transparent 50%);
  --orb-4:                radial-gradient(circle at 20% 70%,  rgba(108, 142, 191, 0.15) 0%, transparent 50%);

  --hero-bg:              transparent;
  --hero-text:            #2C2C2C;
  --cta-bg:               #6C8EBF;
  --cta-text:             #FFFFFF;
  --cta-shadow:           0 4px 20px rgba(108, 142, 191, 0.25);

  --footer-bg:            rgba(237, 236, 234, 0.5);
  --footer-border:        rgba(108, 142, 191, 0.12);
}

/* --------------------------------------------------------------------------
   4b. DARK / LIGHT MODE OVERRIDES
   -------------------------------------------------------------------------- */

/* --- GirafPingvin dark --------------------------------------------------- */
[data-theme="girafpingvin"][data-mode="dark"] {
  --color-bg:             #14100A;
  --color-bg-alt:         #1C1610;
  --color-surface:        rgba(255, 255, 255, 0.04);
  --color-surface-solid:  #1C1610;
  --color-text:           #F0E6D6;
  --color-text-muted:     #9B8E7E;
  --color-link:           #FFB347;
  --color-link-hover:     #FFCC80;

  --glass-bg:             rgba(28, 22, 16, 0.65);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.12) 0%,
                            rgba(255, 179, 71, 0.15) 50%,
                            rgba(255, 255, 255, 0.06) 100%);
  --glass-shadow:         0 8px 32px rgba(0, 0, 0, 0.35),
                          0 0 0 0.5px rgba(255, 255, 255, 0.06);
  --nav-text:             #F0E6D6;
  --nav-active:           #FFB347;
  --pill-glass-bg:        rgba(255, 179, 71, 0.10);
  --pill-glass-border:    rgba(255, 179, 71, 0.18);
  --pill-glass-glow:      rgba(255, 179, 71, 0.08);
  --pill-glass-highlight: rgba(255, 255, 255, 0.08);
  --pill-bg:              rgba(255, 179, 71, 0.10);

  --lang-bg:              rgba(255, 179, 71, 0.08);
  --lang-active-bg:       rgba(255, 179, 71, 0.25);
  --lang-active-text:     #FFB347;

  --card-bg:              rgba(255, 255, 255, 0.03);
  --card-border:          rgba(255, 255, 255, 0.06);
  --card-shadow:          0 4px 24px rgba(0, 0, 0, 0.30);
  --card-shadow-hover:    0 12px 40px rgba(255, 179, 71, 0.10);

  --orb-1:                radial-gradient(circle at 20% 20%,  rgba(255, 179, 71, 0.14) 0%, transparent 60%);
  --orb-2:                radial-gradient(circle at 80% 30%,  rgba(120, 160, 255, 0.10) 0%, transparent 55%);
  --orb-3:                radial-gradient(circle at 40% 80%,  rgba(255, 120, 170, 0.08) 0%, transparent 50%);
  --orb-4:                radial-gradient(circle at 70% 70%,  rgba(100, 200, 130, 0.07) 0%, transparent 55%);

  --hero-text:            #F0E6D6;
  --cta-bg:               rgba(255, 179, 71, 0.18);
  --cta-text:             #FFB347;
  --cta-shadow:           0 4px 24px rgba(255, 179, 71, 0.15);

  --footer-bg:            rgba(20, 16, 10, 0.6);
  --footer-border:        rgba(255, 179, 71, 0.08);
}

/* --- About dark ---------------------------------------------------------- */
[data-theme="about"][data-mode="dark"] {
  --color-bg:             #0E0F14;
  --color-bg-alt:         #14161C;
  --color-surface:        rgba(255, 255, 255, 0.04);
  --color-surface-solid:  #14161C;
  --color-text:           #DDE2EA;
  --color-text-muted:     #7A8090;
  --color-link:           #8AABE0;
  --color-link-hover:     #A8C4F0;

  --glass-bg:             rgba(20, 22, 28, 0.65);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.10) 0%,
                            rgba(108, 142, 191, 0.12) 50%,
                            rgba(255, 255, 255, 0.05) 100%);
  --glass-shadow:         0 8px 32px rgba(0, 0, 0, 0.35),
                          0 0 0 0.5px rgba(255, 255, 255, 0.05);
  --nav-text:             #DDE2EA;
  --nav-active:           #8AABE0;
  --pill-glass-bg:        rgba(108, 142, 191, 0.08);
  --pill-glass-border:    rgba(108, 142, 191, 0.14);
  --pill-glass-glow:      rgba(108, 142, 191, 0.06);
  --pill-glass-highlight: rgba(255, 255, 255, 0.06);
  --pill-bg:              rgba(108, 142, 191, 0.08);

  --lang-bg:              rgba(108, 142, 191, 0.06);
  --lang-active-bg:       rgba(108, 142, 191, 0.22);
  --lang-active-text:     #8AABE0;

  --card-bg:              rgba(255, 255, 255, 0.03);
  --card-border:          rgba(255, 255, 255, 0.05);
  --card-shadow:          0 3px 20px rgba(0, 0, 0, 0.30);
  --card-shadow-hover:    0 8px 36px rgba(108, 142, 191, 0.08);

  --orb-1:                radial-gradient(circle at 30% 25%,  rgba(108, 142, 191, 0.10) 0%, transparent 55%);
  --orb-2:                radial-gradient(circle at 70% 20%,  rgba(155, 126, 216, 0.08) 0%, transparent 50%);
  --orb-3:                radial-gradient(circle at 50% 75%,  rgba(180, 140, 100, 0.07) 0%, transparent 50%);
  --orb-4:                radial-gradient(circle at 20% 70%,  rgba(108, 142, 191, 0.06) 0%, transparent 50%);

  --hero-text:            #DDE2EA;
  --cta-bg:               rgba(108, 142, 191, 0.18);
  --cta-text:             #8AABE0;
  --cta-shadow:           0 4px 20px rgba(108, 142, 191, 0.12);

  --footer-bg:            rgba(14, 15, 20, 0.6);
  --footer-border:        rgba(108, 142, 191, 0.06);
}

/* --- Nørdegiraf light (already dark by default, so this is the override) - */
[data-theme="nordegiraf"][data-mode="light"] {
  --color-bg:             #F0FAF6;
  --color-bg-alt:         #E4F5EE;
  --color-surface:        rgba(255, 255, 255, 0.55);
  --color-surface-solid:  #FFFFFF;
  --color-text:           #1A2C26;
  --color-text-muted:     #5A7068;
  --color-link:           #0A7D64;
  --color-link-hover:     #065C49;

  --glass-bg:             rgba(255, 255, 255, 0.50);
  --glass-border:         linear-gradient(135deg,
                            rgba(255, 255, 255, 0.65) 0%,
                            rgba(0, 212, 170, 0.12) 50%,
                            rgba(255, 255, 255, 0.40) 100%);
  --glass-shadow:         0 8px 32px rgba(0, 212, 170, 0.08),
                          0 1px 3px  rgba(0, 0, 0, 0.04);

  --card-bg:              rgba(255, 255, 255, 0.50);
  --card-border:          rgba(255, 255, 255, 0.60);
  --card-shadow:          0 4px 24px rgba(0, 212, 170, 0.06),
                          0 1px 2px  rgba(0, 0, 0, 0.03);
  --card-shadow-hover:    0 12px 40px rgba(0, 212, 170, 0.12);

  --orb-1:                radial-gradient(circle at 25% 25%,  rgba(0, 212, 170, 0.20) 0%, transparent 55%);
  --orb-2:                radial-gradient(circle at 75% 20%,  rgba(124, 77, 255, 0.12) 0%, transparent 50%);
  --orb-3:                radial-gradient(circle at 50% 80%,  rgba(0, 176, 255, 0.10) 0%, transparent 55%);
  --orb-4:                radial-gradient(circle at 15% 70%,  rgba(124, 77, 255, 0.08) 0%, transparent 50%);

  --hero-text:            #1A2C26;
  --cta-bg:               #00D4AA;
  --cta-text:             #FFFFFF;
  --cta-shadow:           0 4px 24px rgba(0, 212, 170, 0.25);

  --footer-bg:            rgba(228, 245, 238, 0.5);
  --footer-border:        rgba(0, 212, 170, 0.10);
}

/* --------------------------------------------------------------------------
   5. ANIMATED AURORA BACKGROUND
   -------------------------------------------------------------------------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: var(--color-bg);
  transition: background 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.aurora__orb {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 1;
  will-change: transform;
  transition: background 1s ease;
}

.aurora__orb:nth-child(1) {
  background: var(--orb-1);
  top: -15%;
  left: -10%;
  animation: drift-1 22s ease-in-out infinite alternate;
}
.aurora__orb:nth-child(2) {
  background: var(--orb-2);
  top: -10%;
  right: -15%;
  animation: drift-2 26s ease-in-out infinite alternate;
}
.aurora__orb:nth-child(3) {
  background: var(--orb-3);
  bottom: -20%;
  left: 10%;
  animation: drift-3 20s ease-in-out infinite alternate;
}
.aurora__orb:nth-child(4) {
  background: var(--orb-4);
  bottom: -10%;
  right: 5%;
  animation: drift-4 24s ease-in-out infinite alternate;
}

@keyframes drift-1 {
  0%   { transform: translate(0, 0)       scale(1);    }
  100% { transform: translate(12vw, 8vh)   scale(1.15); }
}
@keyframes drift-2 {
  0%   { transform: translate(0, 0)       scale(1.05); }
  100% { transform: translate(-10vw, 12vh) scale(0.9);  }
}
@keyframes drift-3 {
  0%   { transform: translate(0, 0)       scale(0.95); }
  100% { transform: translate(8vw, -10vh)  scale(1.1);  }
}
@keyframes drift-4 {
  0%   { transform: translate(0, 0)       scale(1);    }
  100% { transform: translate(-14vw, -6vh) scale(1.08); }
}

/* --------------------------------------------------------------------------
   6. FLOATING PILL NAVIGATION — Liquid Glass
   -------------------------------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 2.5rem);
  max-width: 860px;
}

.nav-pill {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  height: 56px;
  padding: 0 0.5rem 0 0.25rem;
  border-radius: 14px 9999px 9999px 14px;
  overflow: visible;

  /* Liquid glass core */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);

  /* Transition the glass itself on theme change */
  transition: background 0.6s ease,
              box-shadow 0.6s ease;
}

/* Gradient border via pseudo-element (much cleaner than border-image) */
.nav-pill::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--glass-border);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  transition: background 0.6s ease;
}

/* --- Logo ---------------------------------------------------------------- */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  /* Allow logo to overflow the pill vertically */
  position: relative;
  z-index: 2;
  align-self: center;
}

.nav-logo__img {
  width: 80px;
  height: auto;
  /* Overflow: logo is taller than the 56px pill */
  margin: -20px 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.10));
  pointer-events: none;
}

.nav-logo:hover .nav-logo__img {
  transform: scale(1.1) rotate(-4deg);
}

/* --- Center links with sliding indicator --------------------------------- */
.nav-center {
  display: flex;
  align-items: center;
  position: relative;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  position: relative;
  padding: 4px;
}

/* The sliding pill indicator — liquid glass */
.nav-indicator {
  position: absolute;
  height: calc(100% - 8px);
  top: 4px;
  left: 0;
  border-radius: var(--radius-pill);
  background: var(--pill-glass-bg);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  border: 1px solid var(--pill-glass-border);
  box-shadow:
    inset 0 1px 0 var(--pill-glass-highlight),
    inset 0 -0.5px 0 rgba(0, 0, 0, 0.04),
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 4px 12px rgba(0, 0, 0, 0.03),
    0 0 20px var(--pill-glass-glow);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              width     0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              background 0.35s ease,
              box-shadow 0.35s ease,
              border-color 0.35s ease,
              opacity   0.25s ease;
  pointer-events: none;
  opacity: 0;
  z-index: 0;
  overflow: hidden;
}

/* Top-edge light refraction on indicator */
.nav-indicator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 45%;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0.08) 60%,
    transparent 100%);
  border-radius: var(--radius-pill) var(--radius-pill) 50% 50%;
  pointer-events: none;
}

.nav-indicator.visible {
  opacity: 1;
}

.nav-links a {
  position: relative;
  z-index: 1;
  display: block;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  color: var(--nav-text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: color 0.3s ease,
              transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  -webkit-user-select: none;
  user-select: none;
}

.nav-links a:hover {
  color: var(--nav-active);
  transform: scale(1.04);
}

.nav-links a.active {
  color: var(--nav-active);
}

/* --- Nørdegiraf portal button -------------------------------------------- */
.nav-portal {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.3rem 0.7rem 0.3rem 0.55rem;
  border-radius: 8px 9999px 9999px 8px;
  background: linear-gradient(135deg,
    rgba(0, 212, 170, 0.10) 0%,
    rgba(124, 77, 255, 0.08) 100%);
  border: 1px solid rgba(0, 212, 170, 0.20);
  color: var(--nav-text);
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  backdrop-filter: blur(10px) saturate(150%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -0.5px 0 rgba(0, 0, 0, 0.03),
    0 1px 4px rgba(0, 0, 0, 0.04),
    0 0 14px rgba(0, 212, 170, 0.06);
  transition: background 0.35s ease,
              border-color 0.35s ease,
              box-shadow 0.35s ease,
              color 0.35s ease,
              transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Refraction highlight */
.nav-portal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 50%;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.04) 60%,
    transparent 100%);
  border-radius: inherit;
  pointer-events: none;
}

.nav-portal:hover {
  background: linear-gradient(135deg,
    rgba(0, 212, 170, 0.18) 0%,
    rgba(124, 77, 255, 0.14) 100%);
  border-color: rgba(0, 212, 170, 0.35);
  color: #00D4AA;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 2px 8px rgba(0, 0, 0, 0.06),
    0 0 24px rgba(0, 212, 170, 0.12);
  transform: scale(1.05);
}

.nav-portal:active {
  transform: scale(0.96);
}

.nav-portal__icon {
  font-family: 'Inter', monospace;
  font-size: 0.68rem;
  font-weight: 800;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.nav-portal:hover .nav-portal__icon {
  opacity: 1;
}

.nav-portal__label {
  position: relative;
  z-index: 1;
}

.nav-portal__arrow {
  opacity: 0.5;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-portal:hover .nav-portal__arrow {
  opacity: 1;
  transform: translate(1px, -1px);
}

/* Dark mode portal adjustments */
[data-mode="dark"] .nav-portal {
  background: linear-gradient(135deg,
    rgba(0, 212, 170, 0.08) 0%,
    rgba(124, 77, 255, 0.06) 100%);
  border-color: rgba(0, 212, 170, 0.15);
  color: rgba(255, 255, 255, 0.8);
}

[data-mode="dark"] .nav-portal:hover {
  color: #00D4AA;
  background: linear-gradient(135deg,
    rgba(0, 212, 170, 0.15) 0%,
    rgba(124, 77, 255, 0.12) 100%);
  border-color: rgba(0, 212, 170, 0.30);
}

/* --- Unified controls capsule (lang + mode — liquid glass) --------------- */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--pill-glass-bg);
  border: 1px solid var(--pill-glass-border);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 var(--pill-glass-highlight),
    inset 0 -0.5px 0 rgba(0, 0, 0, 0.03),
    0 1px 4px rgba(0, 0, 0, 0.04),
    0 0 14px var(--pill-glass-glow);
  transition: background 0.35s ease,
              border-color 0.35s ease,
              box-shadow 0.35s ease;
}

/* Top-edge refraction on the capsule */
.nav-controls::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 50%;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.32) 0%,
    rgba(255, 255, 255, 0.06) 55%,
    transparent 100%);
  border-radius: var(--radius-pill);
  pointer-events: none;
  z-index: 0;
}

/* Shared button style for all items in the capsule */
.nav-controls__btn {
  border: none;
  background: transparent;
  padding: 0.28rem 0.55rem;
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--nav-text);
  border-radius: var(--radius-pill);
  cursor: pointer;
  position: relative;
  z-index: 1;
  letter-spacing: 0.03em;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease,
              color 0.3s ease,
              transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-controls__btn:hover {
  background: rgba(var(--color-primary-rgb), 0.10);
  transform: scale(1.08);
}

.nav-controls__btn:active {
  transform: scale(0.94);
}

/* Active lang button — text only, background handled by indicator */
.nav-controls__btn.nav-lang__btn.active {
  color: var(--lang-active-text);
  background: transparent;
}

/* Sliding liquid glass indicator behind active lang button */
.nav-lang__indicator {
  position: absolute;
  top: 3px;
  left: 3px;
  height: calc(100% - 6px);
  width: 28px;
  z-index: 0;
  pointer-events: none;

  /* Liquid glass fill */
  background: var(--lang-active-bg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -0.5px 0 rgba(0, 0, 0, 0.04),
    0 1px 4px rgba(0, 0, 0, 0.06),
    0 0 10px var(--pill-glass-glow);

  /* Default shape: capsule-left, square-right (DK position) */
  border-radius: 9999px 5px 5px 9999px;

  /* Top-edge refraction */
  overflow: hidden;

  /* Smooth morph transitions */
  transition:
    transform     0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    width         0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-radius 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    background    0.35s ease,
    box-shadow    0.35s ease;
}

/* Refraction highlight on the indicator */
.nav-lang__indicator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 55%;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0.08) 60%,
    transparent 100%);
  border-radius: inherit;
  pointer-events: none;
}

/* Shape variants — set by JS via data-pos */
.nav-lang__indicator[data-pos="left"] {
  border-radius: 9999px 5px 5px 9999px;
}

.nav-lang__indicator[data-pos="center"] {
  border-radius: 5px;
}

/* Glass divider between lang & mode */
.nav-controls__divider {
  width: 1px;
  height: 16px;
  margin: 0 2px;
  background: linear-gradient(180deg,
    transparent 0%,
    var(--pill-glass-border) 30%,
    var(--pill-glass-border) 70%,
    transparent 100%);
  flex-shrink: 0;
  opacity: 0.6;
  z-index: 1;
}

/* Mode toggle button inside the capsule */
.nav-controls__btn.nav-mode-toggle {
  width: 30px;
  height: 28px;
  padding: 0;
  position: relative;
  overflow: hidden;
}

/* Icon switching: show sun in dark mode, moon in light mode */
.nav-mode-toggle__icon {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Default (light mode): show moon, hide sun */
.nav-mode-toggle__sun {
  opacity: 0;
  transform: scale(0.5) rotate(90deg);
}

.nav-mode-toggle__moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* Dark mode: show sun, hide moon */
.nav-mode-toggle.is-dark .nav-mode-toggle__sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.nav-mode-toggle.is-dark .nav-mode-toggle__moon {
  opacity: 0;
  transform: scale(0.5) rotate(-90deg);
}

/* --- Mobile hamburger ---------------------------------------------------- */
.nav-hamburger {
  display: none;
  border: none;
  background: transparent;
  color: var(--nav-text);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.3rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.nav-hamburger:hover {
  background: var(--pill-bg);
}

/* --------------------------------------------------------------------------
   7. CONTEXTUAL SUB-PILL — Slim Glass Secondary Nav
   -------------------------------------------------------------------------- */
.sub-nav {
  position: fixed;
  top: calc(1.25rem + 56px + 14px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
}

.sub-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 4px;
  border-radius: var(--radius-pill);

  /* Lighter glass — visually subordinate */
  background: var(--subglass-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: var(--subglass-shadow);
  border: 1px solid var(--subglass-border);

  transition: background 0.5s ease,
              box-shadow 0.5s ease,
              border-color 0.5s ease;
}

.sub-pill__links {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* Fade-swap animation states */
.sub-pill__links.fade-out {
  animation: subFadeOut 0.18s ease forwards;
}
.sub-pill__links.fade-in {
  animation: subFadeIn 0.25s ease forwards;
}

@keyframes subFadeOut {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(4px); }
}
@keyframes subFadeIn {
  0%   { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}

.sub-pill__links a {
  display: block;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  white-space: nowrap;
  color: var(--nav-text);
  opacity: 0.65;
  transition: opacity 0.2s ease,
              background 0.2s ease,
              color 0.2s ease;
}

.sub-pill__links a:hover {
  opacity: 1;
  background: var(--pill-bg);
  color: var(--nav-active);
}

.sub-pill__links a.active {
  opacity: 1;
  color: var(--nav-active);
  background: var(--pill-active-bg);
}

/* Sub-glass per-theme variables */
[data-theme="girafpingvin"] {
  --subglass-bg:          rgba(255, 255, 255, 0.30);
  --subglass-border:      rgba(255, 255, 255, 0.50);
  --subglass-shadow:      0 4px 20px rgba(255, 179, 71, 0.06),
                          0 0.5px 0 rgba(255, 255, 255, 0.4) inset;
}
[data-theme="nordegiraf"] {
  --subglass-bg:          rgba(255, 255, 255, 0.22);
  --subglass-border:      rgba(255, 255, 255, 0.32);
  --subglass-shadow:      0 4px 20px rgba(0, 0, 0, 0.12),
                          0 0.5px 0 rgba(255, 255, 255, 0.20) inset;
}
[data-theme="about"] {
  --subglass-bg:          rgba(255, 255, 255, 0.26);
  --subglass-border:      rgba(255, 255, 255, 0.42);
  --subglass-shadow:      0 4px 20px rgba(108, 142, 191, 0.05),
                          0 0.5px 0 rgba(255, 255, 255, 0.3) inset;
}

/* --------------------------------------------------------------------------
   8. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 85vh;
  padding: 8rem 1.5rem 5rem;
  background: var(--hero-bg);
  color: var(--hero-text);
  transition: color 0.6s ease;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 750px;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-pill);
  background: var(--cta-bg);
  color: var(--cta-text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  box-shadow: var(--cta-shadow);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease;
}

.hero__cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--cta-shadow), 0 0 0 4px rgba(var(--color-primary-rgb), 0.12);
  color: var(--cta-text);
}

.hero__cta:active {
  transform: translateY(0) scale(0.98);
}

/* --------------------------------------------------------------------------
   8. CONTENT LAYOUT
   -------------------------------------------------------------------------- */
.container {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section__heading {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.section__lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   9. GLASS CARDS
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s ease,
              background 0.5s ease,
              border-color 0.5s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.card__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   10. FOOTER — Frosted
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  background: var(--footer-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--footer-border);
  padding: 3.5rem 1.5rem 2rem;
  transition: background 0.5s ease, border-color 0.5s ease;
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.footer__links {
  list-style: none;
}

.footer__links li + li {
  margin-top: 0.35rem;
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__copy {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--footer-border);
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* --------------------------------------------------------------------------
   11. THEME TOGGLE BUTTON (demo)
   -------------------------------------------------------------------------- */
.theme-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  gap: 0.4rem;
  padding: 5px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  border: none;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

/* Gradient border on toggle too */
.theme-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--glass-border);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

.theme-toggle__btn {
  border: none;
  background: transparent;
  padding: 0.5rem 0.85rem;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--nav-text);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease;
  position: relative;
  z-index: 1;
}

.theme-toggle__btn:hover {
  background: var(--pill-bg);
}

.theme-toggle__btn.active {
  background: var(--pill-active-bg);
  color: var(--nav-active);
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .site-nav {
    top: 0.75rem;
    width: calc(100% - 1.5rem);
  }

  .sub-nav {
    top: calc(0.75rem + 50px + 10px);
    max-width: calc(100% - 1.5rem);
  }

  .sub-pill {
    height: 34px;
    padding: 0 2px;
  }

  .sub-pill__links a {
    padding: 0.22rem 0.55rem;
    font-size: 0.72rem;
  }

  .nav-pill {
    height: 50px;
    padding: 0 0.5rem 0 0.5rem;
  }

  .nav-logo__img {
    width: 64px;
    margin: -14px 0;
  }

  .nav-center {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 0.5rem;
    border: 1px solid var(--card-border);
  }

  .nav-center::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--glass-border);
    -webkit-mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
  }

  .nav-center.open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 2px;
  }

  .nav-links a {
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    width: 100%;
  }

  .nav-indicator {
    display: none;
  }

  .nav-hamburger {
    display: block;
  }

  .hero {
    min-height: 70vh;
    padding: 6rem 1.25rem 4rem;
  }

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

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }
}

/* --------------------------------------------------------------------------
   13. UTILITIES
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-muted  { color: var(--color-text-muted); }
.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;
}