/* ============================================================
   INFORMA — Stylesheet
   Design: Modern, minimal, premium B2B
   Palette: White, Anthracite, Soft Black, Petrol Blue accent
   ============================================================ */

/* ----- Custom Properties ----- */
:root {
  --color-white: #ffffff;
  --color-off-white: #f7f8fa;
  --color-light-gray: #eceef1;
  --color-mid-gray: #9ba3af;
  --color-anthracite: #2d3436;
  --color-dark: #1a1d1e;
  --color-black-soft: #111314;
  --color-accent: #1a6b7a;
  --color-accent-light: #e8f4f6;
  --color-accent-dark: #124e5a;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.12);

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --header-height: 72px;
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* ----- Reset & Base ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: 1.7;
  color: var(--color-anthracite);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

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

.hidden {
  display: none !important;
}

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

/* ----- Typography ----- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
}

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

.text-lead {
  font-size: var(--fs-md);
  line-height: 1.8;
  color: var(--color-anthracite);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

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

.btn--large {
  padding: 16px 40px;
  font-size: var(--fs-base);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  z-index: 1001;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  border-radius: var(--radius-sm);
}

/* Navigation */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-anthracite);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link--cta {
  background-color: var(--color-accent);
  color: var(--color-white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background-color: var(--color-accent-dark);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle.active .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--spacing-2xl));
  padding-bottom: var(--spacing-3xl);
  background: linear-gradient(160deg, var(--color-white) 0%, var(--color-off-white) 50%, var(--color-accent-light) 100%);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: var(--fs-md);
  color: var(--color-anthracite);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--spacing-xl);
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-accent-dark);
  background-color: var(--color-accent-light);
  border-radius: 100px;
  letter-spacing: 0.01em;
}

/* Hero visual / graphic */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-graphic {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.hg-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hg-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: transform var(--transition-base);
}

.hg-card:hover {
  transform: translateX(8px);
}

.hg-card--1 {
  margin-left: 0;
}

.hg-card--2 {
  margin-left: 40px;
}

.hg-card--3 {
  margin-left: 20px;
}

.hg-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.hg-card-label {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  font-weight: var(--fw-medium);
}

.hg-card-value {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  margin-left: auto;
}

/* ============================================================
   SECTIONS — Common
   ============================================================ */
.section {
  padding: var(--spacing-4xl) 0;
}

.section--light {
  background-color: var(--color-off-white);
}

.section--white {
  background-color: var(--color-white);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-light-gray);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.section--accent h2 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header--light .section-tag {
  color: var(--color-accent-light);
  border-color: rgba(255, 255, 255, 0.2);
}

.section-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-accent-light);
}

.section-title {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
}

.section-header--light .section-title {
  color: var(--color-white);
}

.section-desc {
  font-size: var(--fs-md);
  color: var(--color-mid-gray);
  max-width: 600px;
  margin: var(--spacing-sm) auto 0;
}

/* ============================================================
   ABOUT (Chi siamo)
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.about-text p {
  margin-bottom: var(--spacing-md);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-numbers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.number-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.number-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.number-value {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.number-label {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  font-weight: var(--fw-medium);
}

/* ============================================================
   TIMELINE (Storia)
   ============================================================ */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(26, 107, 122, 0.2));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-2xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.timeline-marker::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) - 5px);
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-dark);
}

.timeline-date {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-content h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--spacing-xs);
}

.timeline-content p {
  color: var(--color-light-gray);
  line-height: 1.8;
}

/* ============================================================
   STRENGTHS (Perché scegliere Informa)
   ============================================================ */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.strength-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.strength-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.strength-card h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--spacing-xs);
}

.strength-card p {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  line-height: 1.7;
}

/* ============================================================
   SERVICES (Servizi)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-light-gray);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-sm);
}

.service-card > p {
  color: var(--color-anthracite);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service-benefits {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-benefits li {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.service-benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  opacity: 0.5;
}

/* ============================================================
   CASE STUDIES (Progetti)
   ============================================================ */
.cases {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.case-study {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.case-study:hover {
  box-shadow: var(--shadow-lg);
}

.case-header {
  background: var(--color-dark);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.case-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-xs);
}

.case-title {
  font-size: var(--fs-xl);
  color: var(--color-white);
}

.case-body {
  padding: var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.case-section h4,
.case-results h4 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.case-section p {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-anthracite);
}

.case-results ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-results li {
  font-size: var(--fs-sm);
  color: var(--color-anthracite);
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}

.case-results li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* ============================================================
   CLIENTS (Clienti)
   ============================================================ */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 700px;
  margin: 0 auto;
}

.client-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: background var(--transition-base);
}

.client-card:hover {
  background: rgba(255, 255, 255, 0.2);
}

.client-name {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
}

/* ============================================================
   TEAM
   ============================================================ */
.team-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.team-text p {
  margin-bottom: var(--spacing-md);
}

.team-text p:last-child {
  margin-bottom: 0;
}

.team-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-content: start;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-accent-dark);
  background-color: var(--color-accent-light);
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   MISSION
   ============================================================ */
.section--mission {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-black-soft) 100%);
  padding: var(--spacing-4xl) 0;
}

.mission-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.mission-content .section-tag {
  color: var(--color-accent-light);
  border-color: rgba(255, 255, 255, 0.15);
}

.mission-quote {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  line-height: 1.4;
  margin: var(--spacing-lg) 0;
  border: none;
}

.mission-text {
  font-size: var(--fs-md);
  color: var(--color-mid-gray);
  line-height: 1.8;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-dark);
  text-align: left;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-accent-light);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  font-size: var(--fs-sm);
  color: var(--color-anthracite);
  line-height: 1.8;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-form {
  margin-bottom: var(--spacing-2xl);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--fs-base);
  color: var(--color-dark);
  background-color: var(--color-off-white);
  border: 1.5px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26, 107, 122, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  text-align: center;
}

.contact-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-anthracite);
}

.contact-detail a {
  color: var(--color-accent);
  font-weight: var(--fw-medium);
}

.contact-detail a:hover {
  color: var(--color-accent-dark);
}

.contact-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-anthracite);
  background: var(--color-off-white);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-black-soft);
  color: var(--color-mid-gray);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo--footer {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-tagline {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-mid-gray);
}

.footer-nav-title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-nav ul,
.footer-legal-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-nav a,
.footer-legal-links a {
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-legal-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--color-mid-gray);
}

/* ============================================================
   ANIMATIONS — Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --fs-4xl: 2.75rem;
    --fs-3xl: 2rem;
    --fs-2xl: 1.75rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .about-numbers {
    flex-direction: row;
  }

  .about-numbers .number-card {
    flex: 1;
  }

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

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

  .case-body {
    grid-template-columns: 1fr;
  }

  .team-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --fs-4xl: 2.25rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.5rem;
    --spacing-4xl: 5rem;
    --spacing-3xl: 3.5rem;
  }

  /* Mobile nav */
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1000;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .nav-link {
    font-size: var(--fs-lg);
  }

  .nav-link--cta {
    padding: 12px 28px;
    font-size: var(--fs-base);
  }

  /* Hero mobile */
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-2xl);
  }

  .hero-title {
    font-size: var(--fs-3xl);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
    text-align: center;
  }

  /* Grids mobile */
  .strengths-grid {
    grid-template-columns: 1fr;
  }

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

  .about-numbers {
    flex-direction: column;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .mission-quote {
    font-size: var(--fs-xl);
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  :root {
    --fs-4xl: 1.875rem;
    --fs-3xl: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .badge {
    font-size: 0.6875rem;
    padding: 4px 10px;
  }
}

/* ----- Print ----- */
@media print {
  .site-header,
  .hero-ctas,
  .contact-form,
  .menu-toggle {
    display: none;
  }

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

  .section--dark,
  .section--accent,
  .section--mission {
    background: #fff;
    color: #000;
  }

  .section--dark h2,
  .section--dark h3,
  .section--accent h2,
  .section--mission .mission-quote {
    color: #000;
  }
}

/* ----- Reduced motion ----- */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

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

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}