/**
 * OLIO — base + design tokens
 * Palette e tipografia da: mockup/Linee Guida font e colori/
 * Layout da: mockup/Sito Web Visualizzazione PC|Mobile/
 */

/* -------------------------------------------------------------------------- */
/* Design tokens (theme.css sovrascrive colori/font da config.json)           */
/* -------------------------------------------------------------------------- */

:root {
  /* Palette ufficiale */
  --olio-blue: #0e02e1;
  --olio-green: #4dff00;
  --olio-cyan: #90e5e6;

  /* Alias semantici (sovrascritti da theme.css in build) */
  --color-bg: var(--olio-blue);
  --color-accent: var(--olio-green);
  --color-cyan: var(--olio-cyan);
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.85);
  --color-border: rgba(255, 255, 255, 0.35);
  --color-border-strong: rgba(255, 255, 255, 0.7);
  --color-surface-dark: rgba(0, 0, 0, 0.28);
  --color-badge: #0d4a42;
  --color-on-accent: #0e02e1;

  /* Tipografia brand */
  --font-sans: "Helvetica World", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "TT Ramillas", Georgia, "Times New Roman", serif;

  /* Tracking (linee guida → em) */
  --tracking-serif: -0.056em;
  --tracking-hero: -0.15em; /* TT Ramillas display — tighter than body (-56 ref) */
  --hero-a-gap: 0.19em; /* spazio extra solo tra "A" e "human" */
  --tracking-body: -0.045em;
  --tracking-display: -0.02em;
  --tracking-tight: -0.04em;
  --tracking-nav: -0.02em;
  --tracking-tagline: 0.14em;
  --tracking-title-serif: -0.104em;
  --tracking-header: -0.092em;
  --tracking-btn: -0.077em;

  /* Leading */
  --leading-body: 1.06;
  --leading-display: 0.85;
  --leading-snug: 1.15;
  --leading-relaxed: 1.35;

  /* Scale tipografica (riferimento: body 30, display 66) */
  --text-xs: 0.7rem;
  --text-sm: 0.8rem;
  --text-nav: 1.50rem;
  --text-base: 1rem;
  --text-md: clamp(1.05rem, 1.6vw, 1.25rem);
  --text-lg: clamp(1.15rem, 2vw, 1.5rem);
  --text-xl: clamp(1.35rem, 2.6vw, 1.875rem);
  --text-body: clamp(1.15rem, 2.2vw, 1.875rem); /* ~30px ref */
  --text-2xl: clamp(1.75rem, 3.5vw, 2.5rem);
  --text-3xl: clamp(2.25rem, 5vw, 3.5rem);
  --text-display: clamp(2.75rem, 6.5vw, 4.125rem); /* ~66px ref */
  --text-hero: clamp(3.75rem, 8vw, 6.25rem);
  --text-big-hero: clamp(5.25rem, 9.90vw, 8rem); /* 90px ref*/
  --text-landing-title: clamp(10rem, 14vw, 11.75rem);


  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3.5rem;
  --space-9: 8rem;
  --space-10: 10rem;
  --space-11: 14rem;
  --page-pad-x: clamp(1.25rem, 4vw, 2.75rem);
  --page-pad-y: clamp(3.5rem, 8vh, 6rem);
  --header-height: 64px;
  --hero-mark-width: clamp(96px, 17.6vw, 176px);
  --hero-mark-offset: calc(var(--header-height) + 11rem);
  --hero-mark-gap: 0.5rem;
  --max-width: 1400px;
  --max-content: 1200px;
  --max-text: 42rem;
  --max-form: 28rem;

  /* Radii / motion */
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 29px;
  --radius-pill: 999px;
  --ease: 0.2s ease;
  --shadow-chat: 0 4px 24px rgba(0, 0, 0, 0.28);

  /* Breakpoints (documentazione; media query numeriche sotto) */
  --bp-sm: 600px;
  --bp-md: 768px;
  --bp-lg: 900px;
  --bp-xl: 1024px;
}

/* -------------------------------------------------------------------------- */
/* Reset                                                                      */
/* -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: var(--tracking-body);
  line-height: var(--leading-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  padding-top: var(--header-height);
}

a {
  color: inherit;
  text-decoration: none;
}

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

nav {
  font-weight: bold;
}

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

blockquote {
  quotes: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

/* -------------------------------------------------------------------------- */
/* Tipografia utility (ruoli dalle linee guida)                               */
/* -------------------------------------------------------------------------- */

.text-serif {
  font-family: var(--font-serif);
  letter-spacing: var(--tracking-serif);
}

.text-serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: var(--tracking-serif);
}

.text-display {
  font-family: var(--font-sans);
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-display);
}

.text-body-lg {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  letter-spacing: var(--tracking-body);
  line-height: var(--leading-body);
}

.text-cyan {
  color: var(--color-cyan);
}

.accent {
  color: var(--color-accent);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}