/* ==========================================================================
   Webbliwerk Design System — Foundations
   Source of truth: Brand_Guideline_Book_2026.html + webbliwerk.de
   ========================================================================== */

/* --- Fonts --------------------------------------------------------------- */
/* Body font: Inter (on Google Fonts — exact match to brand spec).           */
/* Display font: the brand book references a font literally called "Display"
   with a fallback chain of SF Pro Display, -apple-system. No display font
   file was provided. We substitute Inter Tight for display (very close
   geometry + tighter letter spacing, clean modern feel). If a real display
   file arrives, drop it into /fonts and update --font-display.             */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700;800&display=swap');

:root {
  /* ========== Typography ========== */
  --font-display: 'Poppins', 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  /* ========== Color — Webbli Digital Blue ========== */
  --color-primary: #0066FF;
  /* Primary Blue — brand + CTAs            */
  --color-primary-hover: #0052CC;
  /* Hover Blue — button hovers             */
  --color-primary-light: #ECF4FF;
  /* Cloud Blue — soft surfaces, icon chips */
  --color-primary-glow: rgba(0, 102, 255, 0.25);
  --color-primary-press: #DCE8FA;
  /* Secondary hover / tint                 */

  /* ========== Color — Neutrals ========== */
  --color-black: #000000;
  /* Pure Black — H1 headlines              */
  --color-ink: #18181B;
  /* Dark Gray — secondary elements         */
  --color-muted: #52525B;
  /* Muted Text — body / paragraphs         */
  --color-border: #E4E4E7;
  /* Gray Light — borders, dividers         */
  --color-surface-2: #F4F4F5;
  /* Base BG — page background              */
  --color-surface: #FFFFFF;
  /* White — cards, inputs on focus         */
  --color-placeholder: #A1A1AA;
  /* Input placeholders                     */
  --color-ink-dark-border: #27272A;
  /* Border on dark-mode surfaces           */

  /* ========== Semantic aliases ========== */
  --fg-1: var(--color-black);
  --fg-2: var(--color-ink);
  --fg-3: var(--color-muted);
  --fg-accent: var(--color-primary);
  --bg-1: var(--color-surface);
  --bg-2: var(--color-surface-2);
  --bg-accent-soft: var(--color-primary-light);
  --bg-invert: var(--color-black);

  /* ========== Radii ========== */
  --radius-2: 2px;
  --radius-sm: 8px;
  --radius-btn: 10px;
  /* Buttons — strict */
  --radius-md: 16px;
  /* Inputs, medium cards */
  --radius-lg: 24px;
  /* Cards */
  --radius-xl: 32px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* ========== Shadows ========== */
  --shadow-sm: 0px 4px 6px -1px rgba(9, 9, 11, 0.05),
    0px 2px 4px -2px rgba(9, 9, 11, 0.025);
  --shadow-md: 0px 10px 25px -5px rgba(9, 9, 11, 0.08),
    0px 8px 10px -6px rgba(9, 9, 11, 0.04);
  --shadow-lg: 0px 25px 50px -12px rgba(9, 9, 11, 0.12);
  --shadow-primary-glow: 0px 20px 40px -10px rgba(0, 102, 255, 0.25);
  --shadow-btn-primary: 0px 4px 14px 0px rgba(0, 102, 255, 0.40);
  --shadow-focus-ring: 0 0 0 4px var(--color-primary-glow);

  /* ========== Spacing ========== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 80px;
  --space-10: 120px;

  /* ========== Sizing ========== */
  --control-h: 55px;
  /* Buttons and inputs — strict per brand book */
  --logo-clear-space: 48px;

  /* ========== Motion ========== */
  --ease-brand: cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-all: all 0.3s var(--ease-brand);
  --transition-fast: all 0.18s var(--ease-brand);

  /* ========== Type Scale (base) ========== */
  --fs-display-xl: 64px;
  --lh-display-xl: 70px;
  --ls-display-xl: -0.02em;
  --fs-display-lg: 48px;
  --lh-display-lg: 58px;
  --ls-display-lg: -0.015em;
  --fs-display-md: 32px;
  --lh-display-md: 42px;
  --ls-display-md: -0.01em;
  --fs-display-sm: 24px;
  --lh-display-sm: 32px;

  --fs-body-lg: 18px;
  --lh-body-lg: 28px;
  --fs-body: 16px;
  --lh-body: 24px;
  --fs-body-sm: 14px;
  --lh-body-sm: 20px;
  --fs-caption: 13px;
  --lh-caption: 18px;
  --fs-micro: 12px;
  --lh-micro: 16px;
}

/* ==========================================================================
   Semantic typography classes
   ========================================================================== */
.h1,
h1 {
  font-family: var(--font-display);
  font-size: var(--fs-display-xl);
  line-height: var(--lh-display-xl);
  letter-spacing: var(--ls-display-xl);
  font-weight: 700;
  color: var(--fg-1);
}

.h2,
h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  line-height: var(--lh-display-lg);
  letter-spacing: var(--ls-display-lg);
  font-weight: 700;
  color: var(--fg-1);
}

.h3,
h3 {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  line-height: var(--lh-display-md);
  letter-spacing: var(--ls-display-md);
  font-weight: 600;
  color: var(--fg-1);
}

.h4 {
  font-family: var(--font-display);
  font-size: var(--fs-display-sm);
  line-height: var(--lh-display-sm);
  font-weight: 600;
  color: var(--fg-1);
}

.body-lg {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body-lg);
  color: var(--fg-3);
}

.body,
p {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg-3);
}

.body-sm {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  color: var(--fg-3);
}

.caption {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  line-height: var(--lh-caption);
  color: var(--fg-3);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ==========================================================================
   Primitive component styles
   ========================================================================== */
.wb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--control-h);
  padding: 0 32px;
  border-radius: var(--radius-btn);
  border: none;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-all);
  text-decoration: none;
  white-space: nowrap;
}

.wb-btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn-primary);
}

.wb-btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-glow);
}

.wb-btn--secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.wb-btn--secondary:hover {
  background: var(--color-primary-press);
  transform: translateY(-2px);
}

.wb-btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 2px solid var(--color-border);
  padding: 0 30px;
}

.wb-btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.wb-btn--outline-primary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 0 30px;
}

.wb-btn--outline-primary:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-glow);
}

.wb-btn--ghost {
  background: transparent;
  color: var(--color-ink);
}

.wb-btn--ghost:hover {
  color: var(--color-primary);
}

.wb-input {
  width: 100%;
  height: var(--control-h);
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-black);
  transition: var(--transition-all);
}

.wb-input::placeholder {
  color: var(--color-placeholder);
}

.wb-input:hover {
  border-color: var(--color-border);
}

.wb-input:focus {
  outline: none;
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus-ring);
}

.wb-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
}

.wb-card:hover {
  box-shadow: var(--shadow-primary-glow);
  border-color: var(--color-primary-press);
  transform: translateY(-4px);
}

.wb-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Soft icon tile used on feature cards */
.wb-icon-tile {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-circle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
}