/*
Theme Name: Science for Community
Theme URI: https://scienceforcommunity.eu
Author: Science for Community
Author URI: https://scienceforcommunity.eu
Description: Official WordPress theme for Science for Community — a European non-profit association working to connect science with communities and civil society. Editorial design balancing scientific credibility with modern European aesthetics.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: sfc-theme
Tags: science, nonprofit, editorial, european, modern, responsive
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* Colors — Primary */
  --color-navy: #1A3A6B;
  --color-navy-dark: #0F2347;
  --color-navy-light: #2B5BA8;

  /* Colors — Accent */
  --color-teal: #3BB8C3;
  --color-teal-dark: #2A9AA5;
  --color-teal-light: #7DD6DC;

  /* Colors — Neutrals */
  --color-white: #FFFFFF;
  --color-offwhite: #F7F9FC;
  --color-light-gray: #EEF2F7;
  --color-mid-gray: #B0BEC5;
  --color-dark-gray: #546E7A;
  --color-text: #1C2B3A;
  --color-text-light: #4A6070;

  /* Gradients */
  --gradient-navy: linear-gradient(135deg, #0F2347 0%, #1A3A6B 50%, #2B5BA8 100%);
  --gradient-teal-navy: linear-gradient(135deg, #3BB8C3 0%, #2A9AA5 30%, #1A3A6B 100%);
  --gradient-hero: linear-gradient(135deg, #0F2347 0%, #1A3A6B 60%, #1e4a7a 100%);

  /* Typography */
  --font-heading: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.0625rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --h1: clamp(2.5rem, 5vw, 4.5rem);
  --h2: clamp(2rem, 3.5vw, 3.5rem);
  --h3: clamp(1.5rem, 2.5vw, 2rem);
  --h4: clamp(1.25rem, 2vw, 1.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Section padding */
  --section-pad-y: 5rem;
  --section-pad-x: 2rem;

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 800px;
  --header-height: 72px;
  --border-radius-sm: 8px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-pill: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(26, 58, 107, 0.06);
  --shadow-sm: 0 2px 8px rgba(26, 58, 107, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 58, 107, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 58, 107, 0.16);
  --shadow-xl: 0 16px 48px rgba(26, 58, 107, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-index scale */
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-header: 40;
  --z-modal: 100;
  --z-toast: 1000;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--h1); font-weight: 800; }
h2 { font-size: var(--h2); font-weight: 700; }
h3 { font-size: var(--h3); font-weight: 700; }
h4 { font-size: var(--h4); font-weight: 600; }
h5 { font-size: var(--text-xl); font-weight: 600; }
h6 { font-size: var(--text-lg); font-weight: 600; }

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-light);
  font-size: var(--text-md);
  line-height: 1.85;
}

p:last-child {
  margin-bottom: 0;
}

strong { font-weight: 600; color: var(--color-text); }
em { font-style: italic; }

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.entry-content p,
.entry-content ul,
.entry-content ol {
  margin-bottom: 1.5rem;
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.5rem;
  list-style: revert;
}

.entry-content a {
  color: var(--color-teal-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-content a:hover {
  color: var(--color-navy);
}

.entry-content blockquote {
  border-left: 4px solid var(--color-teal);
  padding: 1rem 1.5rem;
  background: var(--color-offwhite);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin: 2rem 0;
}

.entry-content blockquote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-navy);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--section-pad-x);
  padding-right: var(--section-pad-x);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

.section--sm {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.text-center { text-align: center; }
.text-left { text-align: left; }

/* ============================================================
   SECTION LABELS
   ============================================================ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-teal);
  flex-shrink: 0;
}

.section-label--light {
  color: var(--color-teal-light);
}

.section-label--light::before {
  background: var(--color-teal-light);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--border-radius-pill);
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-teal);
  color: var(--color-white);
  border-color: var(--color-teal);
}

.btn--primary:hover {
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 184, 195, 0.35);
}

.btn--secondary {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn--secondary:hover {
  background: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.35rem 0.85rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--border-radius-pill);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge--navy {
  background: rgba(26, 58, 107, 0.1);
  color: var(--color-navy);
}

.badge--teal {
  background: rgba(59, 184, 195, 0.12);
  color: var(--color-teal-dark);
}

.badge--white {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.badge--light {
  background: var(--color-light-gray);
  color: var(--color-text-light);
}

.badge--dot::before {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
}

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

.card--offwhite {
  background: var(--color-offwhite);
}

.card__body {
  padding: var(--space-8);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

/* ============================================================
   SITE HEADER
   ============================================================ */

#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  background: transparent;
}

#site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(26, 58, 107, 0.08), var(--shadow-sm);
}

#site-header.header--solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
  gap: var(--space-8);
}

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.85;
}

.site-logo img,
.site-logo__light img,
.site-logo__dark img {
  height: 44px;
  width: auto;
}

/* Dual-logo show/hide — controlled by header scroll state */
.site-logo__dark { display: none; }

#site-header.scrolled .site-logo__light,
#site-header.header--solid .site-logo__light { display: none; }

#site-header.scrolled .site-logo__dark,
#site-header.header--solid .site-logo__dark { display: block; }

.site-logo__text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 180px;
}

#site-header:not(.scrolled):not(.header--solid) .site-logo__text {
  color: var(--color-white);
}

/* Logo: quando header è bianco (scrolled/solid), converti logo bianco in navy */
#site-header.scrolled .site-logo img,
#site-header.header--solid .site-logo img {
  filter: brightness(0) saturate(100%) invert(18%) sepia(50%) saturate(800%) hue-rotate(190deg) brightness(80%);
}

/* Header bianco (scrolled/solid): tutte le voci menu in navy */
#site-header.scrolled #site-nav .menu-item a,
#site-header.header--solid #site-nav .menu-item a {
  color: var(--color-navy);
}

/* Header bianco (scrolled/solid): voce corrente con sfondo teal e testo bianco */
#site-header.scrolled #site-nav .menu-item.current-menu-item a,
#site-header.scrolled #site-nav .menu-item.current-page-ancestor a,
#site-header.header--solid #site-nav .menu-item.current-menu-item a,
#site-header.header--solid #site-nav .menu-item.current-page-ancestor a {
  background: var(--color-teal);
  color: var(--color-white) !important;
  border-radius: var(--border-radius-pill);
}

/* Current menu item su header trasparente (homepage hero): testo bianco */
#site-header:not(.scrolled):not(.header--solid) #site-nav .menu-item.current-menu-item a,
#site-header:not(.scrolled):not(.header--solid) #site-nav .menu-item.current-page-ancestor a {
  background: rgba(255, 255, 255, 0.18);
  color: var(--color-white) !important;
}

#site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

#site-nav .menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

#site-nav .menu-item a {
  display: block;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--border-radius-pill);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

#site-nav .menu-item a:hover,
#site-nav .menu-item.current-menu-item a,
#site-nav .menu-item.current-page-ancestor a {
  background: var(--color-light-gray);
  color: var(--color-navy);
}

#site-header:not(.scrolled):not(.header--solid) #site-nav .menu-item a {
  color: rgba(255, 255, 255, 0.85);
}

#site-header:not(.scrolled):not(.header--solid) #site-nav .menu-item a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

#site-nav .menu-item--cta a,
#site-nav .menu-item a.nav-cta {
  background: var(--color-teal);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
}

#site-nav .menu-item--cta a:hover,
#site-nav .menu-item a.nav-cta:hover {
  background: var(--color-teal-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 184, 195, 0.35);
}

.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.site-header__hamburger:hover {
  background: var(--color-light-gray);
}

.site-header__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

#site-header:not(.scrolled):not(.header--solid) .site-header__hamburger span {
  background: var(--color-white);
}

.site-header__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5rem;
}

.hero--page {
  min-height: 0;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 3rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__eyebrow {
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--h1);
  color: var(--color-white);
  font-weight: 800;
  margin-bottom: var(--space-6);
  line-height: 1.05;
}

.hero__title .highlight {
  color: var(--color-teal-light);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 540px;
}

.hero__subtitle--centered {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__image-wrap {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 16 / 9;
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero--centered {
  text-align: center;
}

.hero--centered .hero__subtitle {
  margin-left: auto;
  margin-right: auto;
}

.hero--centered .hero__ctas {
  justify-content: center;
}

.hero__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-light);
  margin-bottom: var(--space-4);
  display: block;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb__sep {
  opacity: 0.4;
}

/* ============================================================
   PILLAR CARDS
   ============================================================ */

.pillar-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-light-gray);
  border-left: 4px solid var(--color-teal);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
}

.pillar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-left-color: var(--color-teal-dark);
}

.pillar-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.pillar-card__content h4 {
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.pillar-card__content p {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   SERVICE CARDS
   ============================================================ */

.service-card {
  background: var(--color-offwhite);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  border-top: 3px solid transparent;
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-top-color: var(--color-teal);
  background: var(--color-white);
}

.service-card__icon {
  font-size: 2.25rem;
  line-height: 1;
  margin-bottom: var(--space-5);
  display: block;
}

.service-card h3 {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.service-card p {
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-bottom: 0;
}

.service-card--vertical {
  display: flex;
  gap: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-left: 4px solid var(--color-teal);
  border-radius: var(--border-radius);
  padding: var(--space-8);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
}

.service-card--vertical:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-card--vertical .service-card__icon {
  font-size: 2rem;
  margin-bottom: 0;
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  line-height: 1.4;
}

.service-card--vertical .service-card__content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

/* ============================================================
   VALUE CARDS
   ============================================================ */

.value-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition);
}

.value-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-teal);
  transform: translateY(-4px);
}

.value-card__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-5);
  line-height: 1;
}

.value-card h3 {
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.value-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   POST / SCIENCE CARDS
   ============================================================ */

.post-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: rgba(59, 184, 195, 0.4);
}

.post-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card__image img {
  transform: scale(1.05);
}

.post-card__image--placeholder {
  background: var(--gradient-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card__image--placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  fill: var(--color-white);
}

.post-card__content-type {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: rgba(26, 58, 107, 0.85);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.post-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.post-card__date {
  font-size: var(--text-xs);
  color: var(--color-mid-gray);
  font-weight: 500;
}

.post-card__reading-time {
  font-size: var(--text-xs);
  color: var(--color-mid-gray);
}

.post-card h3 {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  line-height: 1.3;
  transition: color var(--transition-fast);
}

.post-card:hover h3 {
  color: var(--color-teal-dark);
}

.post-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-light-gray);
}

.post-card__link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-teal-dark);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.post-card__link:hover {
  color: var(--color-navy);
  gap: var(--space-3);
}

/* ============================================================
   STAT BOXES
   ============================================================ */

.stat-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition);
}

.stat-box:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

.stat-box__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.stat-box__label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  line-height: 1.4;
}

/* ============================================================
   NOTE / INFO BOXES
   ============================================================ */

.note-box {
  background: var(--color-offwhite);
  border-left: 4px solid var(--color-teal);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

.note-box--dashed {
  background: var(--color-offwhite);
  border: 2px dashed var(--color-mid-gray);
  border-radius: var(--border-radius);
  border-left-width: 2px;
  padding: var(--space-6);
}

/* ============================================================
   CONTACT CARDS
   ============================================================ */

.contact-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-offwhite);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-light-gray);
  margin-bottom: var(--space-4);
  transition: all var(--transition-fast);
}

.contact-card:hover {
  box-shadow: var(--shadow-sm);
}

.contact-card__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1.3;
}

.contact-card__content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.contact-card__content p,
.contact-card__content a {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.contact-card__content a:hover {
  color: var(--color-teal-dark);
}

.contact-card__sub {
  font-size: var(--text-xs);
  color: var(--color-mid-gray);
  margin-top: var(--space-1);
  line-height: 1.5;
}

/* ============================================================
   SIDEBAR CARDS
   ============================================================ */

.sidebar-card {
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.sidebar-card--navy {
  background: var(--color-navy);
  color: var(--color-white);
}

.sidebar-card--navy h4 {
  color: var(--color-white);
  margin-bottom: var(--space-5);
  font-size: var(--text-lg);
}

.sidebar-card--navy p {
  color: rgba(255, 255, 255, 0.8);
}

.sidebar-card--light {
  background: var(--color-offwhite);
  border: 1px solid var(--color-light-gray);
}

.sidebar-card--light h4 {
  font-size: var(--text-base);
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.sidebar-card--dashed {
  background: var(--color-offwhite);
  border: 2px dashed var(--color-mid-gray);
}

.sidebar-article-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}

.sidebar-authors {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-2);
}

.sidebar-journal {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   FILTER BAR
   ============================================================ */

.filter-bar {
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-sticky);
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(26, 58, 107, 0.08);
  padding: var(--space-4) 0;
}

.filter-bar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}

.filter-search {
  position: relative;
  flex-grow: 1;
  min-width: 240px;
}

.filter-search__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-dark-gray);
  pointer-events: none;
}

.filter-search input {
  width: 100%;
  background: var(--color-offwhite);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius-pill);
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
}

.filter-search input:focus {
  border-color: var(--color-teal);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(59, 184, 195, 0.12);
}

.filter-search input::placeholder {
  color: var(--color-mid-gray);
}

.filter-categories {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: var(--color-light-gray);
  color: var(--color-dark-gray);
  border-radius: var(--border-radius-pill);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-navy);
  color: var(--color-white);
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-12) 0;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-light);
  background: var(--color-offwhite);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.pagination .prev,
.pagination .next {
  width: auto;
  padding: 0 var(--space-5);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.empty-state__icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-5);
  line-height: 1;
}

.empty-state h3 {
  font-size: var(--text-2xl);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.empty-state p {
  color: var(--color-text-light);
  max-width: 400px;
  margin: 0 auto;
}

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

#site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
}

.footer-top {
  padding: var(--space-20) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: var(--space-12);
}

.footer-brand .site-logo {
  margin-bottom: var(--space-5);
}

.footer-brand .site-logo__text {
  color: var(--color-white);
  max-width: 200px;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.38);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-light);
  margin-bottom: var(--space-6);
}

.footer-col .menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col .menu a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
  display: block;
}

.footer-col .menu a:hover {
  color: var(--color-teal-light);
}

.footer-topics {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-topic-link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-topic-link:hover {
  color: var(--color-teal-light);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--color-teal-light);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-heading);
  text-decoration: none;
}

.footer-social__icon:hover {
  background: var(--color-teal);
  color: var(--color-white);
}

.footer-bottom {
  padding: var(--space-5) 0;
}

.footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.38);
}

.footer-policies {
  display: flex;
  gap: var(--space-5);
}

.footer-policies a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.38);
  transition: color var(--transition-fast);
}

.footer-policies a:hover {
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   CONTACT FORM 7
   ============================================================ */

.wpcf7 .form-row {
  margin-bottom: var(--space-5);
}

.wpcf7 label,
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 textarea,
.wpcf7 select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-offwhite);
  border: 1.5px solid var(--color-light-gray);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
  appearance: none;
}

.wpcf7 input[type="text"]:focus,
.wpcf7 input[type="email"]:focus,
.wpcf7 input[type="tel"]:focus,
.wpcf7 textarea:focus,
.wpcf7 select:focus {
  border-color: var(--color-teal);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(59, 184, 195, 0.12);
}

.wpcf7 textarea {
  min-height: 140px;
  resize: vertical;
}

.wpcf7 input[type="submit"] {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 2rem;
  background: var(--color-teal);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: all var(--transition);
}

.wpcf7 input[type="submit"]:hover {
  background: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 184, 195, 0.35);
}

.wpcf7-not-valid-tip {
  color: #e53e3e;
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: block;
}

.wpcf7-response-output {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-sm);
  margin-top: var(--space-5);
  border: 1.5px solid;
}

.wpcf7-mail-sent-ok {
  background: rgba(59, 184, 195, 0.08);
  border-color: var(--color-teal);
  color: var(--color-teal-dark);
}

.wpcf7-mail-sent-ng,
.wpcf7-validation-errors {
  background: rgba(229, 62, 62, 0.06);
  border-color: #e53e3e;
  color: #c53030;
}

/* ============================================================
   INFOGRAPHIC GALLERY
   ============================================================ */

.infographic-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.infographic-gallery__item {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.infographic-gallery__item:hover {
  opacity: 0.9;
  box-shadow: var(--shadow-md);
  transform: scale(1.01);
}

.infographic-gallery__item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Infographic stack — full-width stacked layout with lightbox */
.infographic-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.infographic-item {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.infographic-trigger {
  display: block;
  width: 100%;
  padding: 0;
  background: none;
  border: none;
  cursor: zoom-in;
  transition: opacity var(--transition-fast);
}

.infographic-trigger:hover {
  opacity: 0.92;
}

.infographic-trigger img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   VIDEO EMBED
   ============================================================ */

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 16px rgba(26, 58, 107, 0.1);
  margin-bottom: var(--space-10);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   DOWNLOADS
   ============================================================ */

.downloads-card {
  background: var(--color-offwhite);
  border: 1px dashed var(--color-mid-gray);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  margin-top: var(--space-8);
}

.downloads-card h4 {
  font-size: var(--text-base);
  color: var(--color-navy);
  margin-bottom: var(--space-5);
}

.downloads-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.downloads-list a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-teal-dark);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.downloads-list a:hover {
  color: var(--color-navy);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   404 PAGE
   ============================================================ */

.page-404 {
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.page-404__code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 20vw, 14rem);
  font-weight: 800;
  color: var(--color-teal-light);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-4);
}

.page-404 h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-404 p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

/* ============================================================
   BACK LINK
   ============================================================ */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-8);
  transition: all var(--transition-fast);
}

.back-link:hover {
  color: var(--color-navy);
  gap: var(--space-3);
}

/* ============================================================
   CF7 FALLBACK
   ============================================================ */

.cf7-fallback {
  text-align: center;
  padding: var(--space-10) var(--space-8);
  background: var(--color-offwhite);
  border-radius: var(--border-radius);
  border: 1px dashed var(--color-mid-gray);
}

.cf7-fallback p {
  margin-bottom: var(--space-5);
}

/* ============================================================
   LAYOUT GRIDS — HERO & MISSION (sostituiscono stili inline)
   ============================================================ */

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.mission__grid {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 4rem;
  align-items: center;
}

.wwd__uptake-grid {
  display: grid;
  grid-template-columns: 60fr 40fr;
  gap: 4rem;
  align-items: center;
}

.wwd__stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.sc__body-grid {
  display: grid;
  grid-template-columns: 65fr 35fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact__grid {
  display: grid;
  grid-template-columns: 35fr 65fr;
  gap: 4rem;
  align-items: flex-start;
}

/* ============================================================
   TEAM CARDS
   ============================================================ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--color-teal);
}

.team-card__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: var(--space-8) auto var(--space-4);
  border: 3px solid var(--color-light-gray);
  flex-shrink: 0;
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__photo-placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-offwhite);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mid-gray);
}

.team-card__body {
  padding: 0 var(--space-6) var(--space-8);
  flex: 1;
}

.team-card__name {
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-teal);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================================ */

@media (max-width: 1024px) {
  :root {
    --section-pad-x: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .infographic-gallery {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --section-pad-x: 1.25rem;
    --section-pad-y: 3.5rem;
  }

  #site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--header-height));
    background: rgba(15, 35, 71, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-8) var(--space-6);
    overflow-y: auto;
    z-index: var(--z-header);
  }

  #site-nav.open {
    display: flex;
    z-index: 50;
    -webkit-overflow-scrolling: touch;
  }

  #site-nav .menu {
    flex-direction: column;
    gap: var(--space-1);
  }

  #site-nav .menu-item a {
    font-size: var(--text-xl);
    padding: var(--space-4);
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--border-radius-sm);
  }

  #site-nav .menu-item a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
  }

  #site-nav .menu-item--cta a,
  #site-nav .menu-item a.nav-cta {
    margin-top: var(--space-4);
    text-align: center;
    font-size: var(--text-lg);
    padding: var(--space-4);
  }

  .site-header__hamburger {
    display: flex;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-bottom__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  .service-card--vertical {
    flex-direction: column;
    gap: var(--space-4);
  }

  .filter-bar__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-search {
    min-width: 0;
  }

  /* Hero & mission inline-grid: collassa a 1 colonna */
  .hero__grid,
  .mission__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* Immagini hero e mission: larghezza piena, margine superiore */
  .hero__image-wrap,
  .hero__image-placeholder {
    width: 100%;
    margin-top: 2rem;
  }

  /* Team: 2 colonne su mobile/tablet */
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Titoli: riduci dimensione su mobile */
  h1 { font-size: clamp(1.75rem, 5vw, 2rem); }
  h2 { font-size: clamp(1.375rem, 4vw, 1.5rem); }

  /* Grids che collassano a 1 colonna */
  .wwd__uptake-grid,
  .sc__body-grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* Sidebar: non sticky su mobile */
  .sc__body-grid aside {
    position: static !important;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤375px)
   ============================================================ */

@media (max-width: 375px) {
  :root {
    --section-pad-x: 1rem;
    --section-pad-y: 2.5rem;
  }

  body { font-size: 0.9rem; }

  h1 { font-size: 1.625rem; }
  h2 { font-size: 1.25rem; }

  .hero {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: var(--text-xs);
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================================ */

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  #site-header,
  #site-footer,
  .filter-bar,
  .hero__ctas,
  .btn {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }
}