/* ═══════════════════════════════════════════════════════════════════════════
   HelioH₂ GENERAL STYLESHEET
   ═══════════════════════════════════════════════════════════════════════════ */
@import 'fonts.css';

/* ─── DESIGN TOKENS ─────────────────────────────────────────────────────── */
:root {
  --color-blue: #0057B2;
  --color-blue-dark: #003D7A;
  --color-green: #008235;
  --color-green-dark: #005C26;
  --color-yellow: #E6C200;
  --color-yellow-dark: #806d00;
  --color-dark: #1C232A;
  --color-white: #ffffff;
  --color-neutral: #F5F5F7;
  --color-text: #1a1a2e;
  --color-text-muted: #4a5568;
  --color-border: #e5e7eb;
  --color-gray-600: #4b5563;
  --color-gray-900: #1a202c;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 48px rgba(0, 87, 178, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 3.5rem;

  /* SolarTools theme colors */
  --sun: #F59E0B;
  --sun-l: rgba(245,159,11,0.12);
  --accent: #2563EB;
  --accent-l: rgba(37,99,235,0.08);
  --green: #16a34a;
  --red: #dc2626;
  --dark: #0f172a;
  --border: rgba(15,23,42,0.1);
  --border-accent: rgba(37,99,235,0.2);
  --text: #0f172a;
  --muted: #64748b;
  --hdr1: 52px;
  --hdr2: 46px;
  --hdrtotal: 98px;
  --sw: 380px;
  --r: 8px;

  /* Contatti theme colors */
  --contatti-bg: rgba(5, 5, 10, 0.85);
  --contatti-font: rgba(5, 5, 10, 1);
  --contatti-surface: #0a0a10;
  --contatti-surface-2: #0f0f16;
  --contatti-border: #181820;
  --contatti-border-hi: #252530;
  --contatti-text: #b8b8c8;
  --contatti-text-muted: #4a4a5a;
  --contatti-text-light: #9999b3;
  --contatti-text-faint: #22222e;
  --contatti-red: #c01010;
  --contatti-red-bright: #e02020;
  --contatti-red-fill: rgba(192, 16, 16, 0.12);
  --contatti-white: #ededf0;
  --contatti-green: #157a3a;
  --contatti-font-mono: 'Share Tech Mono', 'Courier New', monospace;
  --contatti-font-ui: 'Rajdhani', sans-serif;

  /* Keynote theme colors */
  --keynote-bg: #0f1117;
  --keynote-surface: #1a1d27;
  --keynote-card: #21253a;
  --keynote-border: rgba(255, 255, 255, 0.07);
  --keynote-text: #e8eaf0;
  --keynote-muted: #6b7280;
  --keynote-accent: #6c63ff;
  --keynote-accent2: #a78bfa;
  --keynote-radius: 14px;

  /* Tool theme colors */
  --tool-bg: #07111d;
  --tool-bg2: #0c1d33;
  --tool-card: rgba(255, 255, 255, .08);
  --tool-card-border: rgba(255, 255, 255, .14);
  --tool-text: #f4f8ff;
  --tool-muted: rgba(244, 248, 255, .72);
  --tool-accent: #59d7ff;
  --tool-danger: #ff7a7a;
  --tool-success: #7dffb2;
}

/* ─── RESET & BASE ──────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
}

/* Contatti theme overrides */
body.contatti {
  background-image: url('../s/images/Helioh2.png');
  background-size: cover;
  background-position: center;
  color: #b8b8c8;
  font-family: 'Share Tech Mono', 'Courier New', monospace;
}

/* Keynote theme overrides */
body.keynote {
  background: linear-gradient(135deg, #0f1117 0%, #0a2a5e 50%, #0d3b1e 100%);
  color: #e8eaf0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  min-height: 100vh;
  padding-bottom: 80px;
}

/* SolarTools theme overrides */
body.solartools {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8c 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* Tool theme overrides */
body.tool {
  background: linear-gradient(135deg, #07111d, #0c1d33);
  color: #f4f8ff;
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* Under construction theme overrides */
body.underconstruction {
  background: var(--color-white);
}

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

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

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

/* ─── TYPOGRAPHY ────────────────────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  color: var(--color-white);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--color-blue);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--color-green);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

sub {
  font-size: 0.85em;
  position: relative;
  bottom: -0.25em;
}

/* ─── GENERAL PORPUSE ────────────────────────────────────────────────────────── */
[hidden] {
  display: none !important;
}

.autocomplete-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #ddd;
  border-top: none;
  max-height: 220px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  border-radius: 0 0 8px 8px;
  margin-top: -2px;
}

.autocomplete-item {
  padding: 12px 14px;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.2s;
}

.autocomplete-item:hover {
  background-color: #f5f5f5;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.form-group {
  position: relative;
}

.center {
  text-align: center;
}

.right {
  text-align: right;
}

/* ─── CONTAINER & LAYOUT ────────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* ─── HEADER ────────────────────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 87, 178, 0.08);
  transition: box-shadow var(--transition);
}

#header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-img {
  height: 80px;
  width: auto;
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-blue);
  letter-spacing: -0.01em;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-end;
}

@media (min-width: 800px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-blue);
  transition: color var(--transition);
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--color-green);
}

.nav-link.active {
  color: var(--color-blue);
  border-bottom: 2px solid var(--color-blue);
}

/* Mobile menu */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}

@media (min-width: 800px) {
  .hamburger {
    display: none;
  }
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-blue);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

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

@media (min-width: 800px) {
  .nav-mobile {
    display: none !important;
  }
}

/* ─── BUTTONS ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 87, 178, 0.35);
}

.btn-primary:hover {
  background: var(--color-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 87, 178, 0.45);
}

.btn-secondary {
  background: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 130, 53, 0.3);
}

.btn-secondary:hover {
  background: var(--color-green-dark);
  transform: translateY(-2px);
}

.btn-terziary {
  background: var(--color-yellow);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 130, 53, 0.3);
}

.btn-terziary:hover {
  background: var(--color-yellow-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: var(--color-yellow);
  color: var(--color-dark);
  border-color: var(--color-white);
}

/* ─── HERO SECTIONS ─────────────────────────────────────────────────────── */
#hero-landing,
#hero-indipendente,
#hero-integrato,
#hero-integrato-bottom {
  min-height: 88vh;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

#hero-landing {
  background-image:
    radial-gradient(rgba(0, 0, 0, 0.62) 100%, rgba(255, 255, 255, 0) 100%, rgba(0, 0, 0, 0.45)),
    url('../s/images/landing6.png');
}

#hero-indipendente {
  background-image:
    linear-gradient(to bottom, rgba(0, 20, 50, 0.68) 0%, rgba(0, 40, 20, 0.5) 60%, rgba(0, 0, 0, 0.18) 100%),
    url('../s/images/landing5.png');
  background-position: center 40%;
}

#hero-integrato {
  background-image:
    linear-gradient(to bottom, rgba(0, 20, 50, 0.68) 0%, rgba(0, 40, 20, 0.5) 60%, rgba(0, 0, 0, 0.18) 100%),
    url('../s/images/landing1.png');
  background-position: center 40%;
}

#hero-integrato-bottom {
  background-image:
    linear-gradient(to bottom, rgba(0, 20, 50, 0.68) 0%, rgba(0, 40, 20, 0.5) 60%, rgba(0, 0, 0, 0.18) 100%),
    url('../s/images/Helioh2.png');
  background-position: center 40%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-top: 5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-yellow);
  background: rgba(230, 194, 0, 0.1);
  border: 1px solid rgba(230, 194, 0, 0.3);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  margin-bottom: 1.5rem;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-yellow);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.4);
  }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.8);
  margin: 1.25rem 0 2.5rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  justify-content: flex-end;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.9rem;
  color: var(--color-white);
}

.stat-num span {
  color: var(--color-yellow);
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

/* ─── ANIMATIONS ────────────────────────────────────────────────────────── */
.fade-in {
  animation: fadeUp 0.7s ease both;
}

.fade-in-2 {
  animation: fadeUp 0.7s 0.15s ease both;
}

.fade-in-3 {
  animation: fadeUp 0.7s 0.3s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ─── ACCENT BAR ────────────────────────────────────────────────────────── */
.accent-bar {
  display: inline-block;
  width: 40px;
  height: 3px;
  background: var(--color-yellow);
  border-radius: 2px;
  margin-bottom: 1rem;
}

/* ─── SECTION LABELS ────────────────────────────────────────────────────── */
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin-bottom: 0.5rem;
}

.section-intro {
  margin: 1rem 0 3rem;
  max-width: 75%;
}

/* ─── STAT BAND ─────────────────────────────────────────────────────────── */
.stat-band {
  background: var(--color-blue-dark);
  padding: 2.5rem 0;
}

.stat-band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-band .stat-num {
  color: var(--color-white);
  font-size: 1.75rem;
}

.stat-band .stat-label {
  color: var(--color-neutral);
  font-size: 0.7rem;
  margin-top: 0.25rem;
}

/* ─── CARDS & GRIDS ─────────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(0, 87, 178, 0.07);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.icon-blue {
  background: rgba(0, 87, 178, 0.1);
}

.icon-green {
  background: rgba(0, 130, 53, 0.1);
}

.icon-yellow {
  background: rgba(230, 194, 0, 0.15);
}

/* ─── BUSINESS LINES GRID ────────────────────────────────────────────────── */
#business-lines {
  background: var(--color-white);
}

.biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.biz-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  justify-content: space-between;
  flex-direction: column;
}

.biz-card:hover {
  transform: translateY(-6px);
}

.biz-card.blue:hover {
  /*/border-color: var(--color-blue);/*/
  box-shadow: 0 16px 40px rgba(0, 87, 178, 0.15);
}

.biz-card.green:hover {
  /*/border-color: var(--color-green);/*/
  box-shadow: 0 16px 40px rgba(0, 130, 53, 0.15);
}

.biz-card-image {
  height: 203px;
  overflow: hidden;
  background: var(--color-neutral);
}

.biz-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── BACKGROUND IMAGE VARIANTS ───────────────────────────────────── */
.biz-card-image-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.biz-card-body {
  padding: 2rem;
}

.biz-card-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.biz-card-label::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-yellow);
}

.biz-card h3 {
  font-size: 1.4rem;
  color: var(--color-blue);
  margin-bottom: 1rem;
}

.biz-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.biz-card-cta {
  display: inline-block;
  border-radius: 0px;
  text-align: center;
  padding: 0 10%;
}

/* ─── HOW SECTION ────────────────────────────────────────────────────────── */
#how {
  background: var(--color-white);
}

.how-grid {
  display: grid;
  grid-template-rows: 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 3rem;
}

.how-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #e8f4fd 0%, #e8f9ee 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.step {
  display: grid;
  gap: 1.25rem;
  place-items: center start;
  grid: auto-flow / 1fr 9fr;
}

.step-num {
  width: 2rem;
  height: 100%;
  background: var(--color-blue-dark);
  color: var(--color-white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  text-align: center;
  padding-top: 15%;
}

.step h3 {
  font-size: 1rem;
  color: var(--color-blue);
  margin-bottom: 0.3rem;
}

.step p {
  font-size: 0.9rem;
}

/* ─── REVENUE PANEL ─────────────────────────────────────────────────────── */
.revenue-panel {
  background: var(--color-neutral);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(0, 87, 178, 0.07);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.revenue-panel-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 1.5rem;
}

.revenue-rows {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.revenue-row-hdr {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.revenue-value {
  font-weight: 600;
  color: var(--color-text);
}

.progress-track {
  height: 10px;
  background: #e5e7eb;
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 99px;
}

.fill-blue {
  background: var(--color-blue);
}

.fill-green {
  background: var(--color-green);
}

.fill-gray {
  background: #9ca3af;
}

.fill-yellow {
  background: var(--color-yellow)
}


.revenue-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  text-align: center;
}

.rev-stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-blue);
}

.rev-stat-num.green {
  color: var(--color-green);
}

.rev-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.revenue-note {
  font-size: 0.5rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
  line-height: 1.5;
}

/* ─── THREE VALUES SECTION ──────────────────────────────────────────────── */
.three-values {
  background: var(--color-neutral);
}

.three-values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: box-shadow var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.value-icon.blue {
  background: rgba(0, 87, 178, 0.1);
  color: var(--color-blue);
}

.value-icon.green {
  background: rgba(0, 130, 53, 0.1);
  color: var(--color-green);
}

.value-icon.yellow {
  background: rgba(230, 194, 0, 0.15);
  color: var(--color-yellow);
}

.value-card h4 {
  font-size: 1rem;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.value-card a {
  font-size: 0.9rem;
  margin: 2.5% 0;
}

/* ─── TRUST SECTION ─────────────────────────────────────────────────────── */
#trust {
  background-image:
    linear-gradient(135deg, rgba(0, 87, 178, 0.85) 0%, rgba(0, 130, 53, 0.85) 100%);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  text-align: center;
}

#trust .logoPartner {
  max-width: 100px;
  margin: 2% 0%;
}

#trust div.container {
  display: flex;
  flex-direction: column;
  align-items: center;

}

.trust-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: nowrap;
  width: 100%;
  margin: 1% 0%;
}

.trust-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

@media (min-width: 800px) {
  .trust-divider {
    display: block;
  }
}

.trust-title,
.trust-tagline {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  font-weight: 500;
  width: 40%;
}

.trust-title {
  text-align: right;
}

.trust-tagline {
  text-align: left;
}

/* ─── HELP SECTION ──────────────────────────────────────────────────────── */
#help {
  background: var(--color-neutral);
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.help-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border-top: 4px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.help-card:nth-child(1) {
  border-top-color: var(--color-blue);
}

.help-card:nth-child(2) {
  border-top-color: var(--color-green);
}

.help-card:nth-child(3) {
  border-top-color: var(--color-yellow);
}

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

.help-card .card-icon {
  width: 60px;
  height: 60px;
  font-size: 1.8rem;
}

.help-card h3 {
  font-size: 1.2rem;
  color: var(--color-blue);
  margin: 1rem 0 0.75rem;
}

.help-card>p {
  flex: 1;
  margin-bottom: 1.75rem;
}

.help-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.help-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.help-features li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ─── FOOTER ────────────────────────────────────────────────────────────── */
#footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 3.5rem 0 2rem;
}

.footer-content {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

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

.footer-logo-box {
  margin-bottom: 1rem;
}

.footer-logo {
  height: 80px;
  width: auto;
  /*/filter: brightness(0) invert(1);/*/
}

.footer-tagline {
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 240px;
}

.footer-col-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links li a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-links li a:hover {
  color: var(--color-white);
}

.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-org {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
}

.footer-piva {
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.5rem;
}

.footer-address a {
  color: var(--color-white);
  transition: color var(--transition);
}

.footer-address a:hover {
  color: var(--color-yellow);
}

.footer-address hr {
  margin: 5% 0%;
  color: var(--color-text-muted);
}

.footer-address p.flex {
  margin: 0.5em 0.1em;
  flex-wrap: nowrap;
  align-items: center;
  color: var(--color-white);
  font-size: 1em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.github {
   align-items: center;
   display: flex;
}

.github svg {
   max-width: 18px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
  color: var(--color-blue);
  font-weight: 600;
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--color-yellow);
}

/* ─── PROJECT CARD ──────────────────────────────────────────────────────── */
#project {
  background: var(--color-neutral);
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 87, 178, 0.1);
  box-shadow: var(--shadow);
}

.project-img {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.project-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.45) 0%, transparent 55%);
}

.project-badges {
  position: absolute;
  bottom: 1.25rem;
  left: 1.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.85rem;
  border-radius: 999px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status-amber {
  background: #FEF3C7;
  color: #92400E;
}

.status-blue {
  background: #DBEAFE;
  color: #1E40AF;
}

.project-body {
  padding: 2.5rem;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #f0f4f8;
  margin-bottom: 2rem;
}

.meta-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.meta-value {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.meta-value.active {
  color: var(--color-blue);
}

.project-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.detail-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 1rem;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.checklist-item.pending {
  color: var(--color-text-muted);
}

.check-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-white);
}

.check-done {
  background: var(--color-green);
}

.check-progress {
  background: var(--color-yellow);
  color: var(--color-dark);
}

.check-pending {
  background: #e5e7eb;
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════════════
       ERROR PAGES — shared styles + per-page hero backgrounds
    ═══════════════════════════════════════════════════════════════════ */

/* Shared hero shell */
#error-hero-404,
#error-hero-403,
#error-hero-400 {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  padding: 72px 2rem 4rem;
}

#error-hero-404 .hero-bg,
#error-hero-403 .hero-bg,
#error-hero-400 .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* Per-page background images */
#error-hero-404 .hero-bg {
  background-image: url('../s/images/404_lost_panel.png');
  background-position: center 60%;
  background-color: #0d1f2d;
}

#error-hero-403 .hero-bg {
  background-image: url('../s/images/403_gate.png');
  background-color: #0d1520;
}

#error-hero-400 .hero-bg {
  background-image: url('../s/images/400_bad_request.png');
  background-color: #1a1008;
}

/* Per-page overlays */
#error-hero-404 .hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(rgba(0, 15, 40, 0.75), rgba(0, 15, 40, 0.3) 0%, rgba(0, 15, 40, 0.3) 0%, rgba(0, 10, 25, 0.82));
}

#error-hero-403 .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(0, 10, 30, 0.80) 0%,
      rgba(0, 10, 30, 0.28) 40%,
      rgba(0, 10, 30, 0.28) 65%,
      rgba(0, 10, 30, 0.88) 100%);
}

#error-hero-400 .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(10, 8, 0, 0.80) 0%,
      rgba(10, 8, 0, 0.28) 38%,
      rgba(10, 8, 0, 0.28) 62%,
      rgba(10, 8, 0, 0.88) 100%);
}

/* Shared content container */
#error-hero-404 .error-content,
#error-hero-403 .error-content,
#error-hero-400 .error-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

/* Giant error number */
.error-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(7rem, 18vw, 14rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.18);
  letter-spacing: -0.04em;
  margin-bottom: -1rem;
  opacity: 0;
  animation: fadeDown 0.7s 0.2s ease forwards;
}

.error-accent {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-yellow);
  border-radius: 2px;
  margin: 0 auto 1.75rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.55s ease forwards;
}

.error-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-yellow);
  background: rgba(230, 194, 0, 0.1);
  border: 1px solid rgba(230, 194, 0, 0.3);
  border-radius: 50px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.38s ease forwards;
}

.error-headline {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.45s ease forwards;
}

.error-sub {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  margin-bottom: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.6s ease forwards;
}

.error-sub span {
  color: var(--color-yellow);
}

.error-helper {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.48);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.78s ease forwards;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.7s 0.88s ease forwards;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  background: var(--color-blue);
  color: #ffffff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  box-shadow: 0 4px 20px rgba(0, 87, 178, 0.4);
}

.btn-home:hover {
  background: var(--color-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 87, 178, 0.5);
}

.btn-back,
.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  background: transparent;
  color: #ffffff;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-back:hover,
.btn-contact:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.error-scroll-hint {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  opacity: 0;
  animation: fadeUp 0.6s 1.2s ease forwards;
  white-space: nowrap;
}

#error-hero-400 .error-scroll-hint,
#error-hero-404 .error-scroll-hint {
  left: unset;
}

.panel-illustration {
  position: absolute;
  bottom: 3rem;
  right: 4vw;
  opacity: 0.12;
  animation: drift 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes drift {

  0%,
  100% {
    transform: translateY(0) rotate(-4deg);
  }

  50% {
    transform: translateY(-18px) rotate(-2deg);
  }
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* Quick links section */
#error-links {
  background: var(--color-white);
  padding: 5rem 0;
}

.error-links-title {
  text-align: center;
  margin-bottom: 3rem;
}

.error-links-title h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  color: var(--color-blue);
  margin-bottom: 0.5rem;
}

.error-links-title p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.link-card {
  background: var(--color-neutral);
  border-radius: 14px;
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.link-card.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease,
    box-shadow 0.25s ease, border-color 0.25s ease;
}

.link-card:nth-child(1) {
  transition-delay: 0s;
}

.link-card:nth-child(2) {
  transition-delay: 0.1s;
}

.link-card:nth-child(3) {
  transition-delay: 0.2s;
}

.link-card:nth-child(4) {
  transition-delay: 0.3s;
}

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

.link-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.link-card-icon.blue {
  background: rgba(0, 87, 178, 0.1);
}

.link-card-icon.green {
  background: rgba(0, 130, 53, 0.1);
}

.link-card-icon.yellow {
  background: rgba(230, 194, 0, 0.15);
}

.link-card-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.link-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-blue);
  line-height: 1.3;
}

.link-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.link-card-arrow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-blue);
  transition: gap 0.2s ease;
}

.link-card:hover .link-card-arrow {
  gap: 0.7rem;
}

/* ─── ACCESSIBILITY ────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {

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

/* ─── UTILITIES ─────────────────────────────────────────────────────────── */
.text-center {
  text-align: center;
}

.flex {
  display: flex;
  gap: 0.5em
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-1 {
  gap: var(--spacing-xs);
}

.gap-2 {
  gap: var(--spacing-sm);
}

.gap-3 {
  gap: var(--spacing-md);
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

/* ─── SPLIT HERO ────────────────────────────────────────────────────────── */
#hero-split {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  margin: 0;
  z-index: 50;
  user-select: none;
}

.hero-split-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-split-side {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-split-left {
  left: 0;
  /* background-image: url('../s/images/droplet.png'); */
  background-image: url('../s/images/sun.png');
  background-color: var(--color-green);
}

.hero-split-right {
  right: 0;
  background-image: url('../s/images/hydrogen.png');
  background-color: var(--color-blue);
}

.hero-split-left::before,
.hero-split-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2;
  transition: opacity 0.1s ease-out;
}

.hero-split-left.revealed::before {
  opacity: 0;
}

.hero-split-right.revealed::before {
  opacity: 0;
}

.hero-split-side-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 3;
  max-width: 500px;
  padding: 4rem;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 20px;
}

.hero-split-side-content a {
  pointer-events: auto;
}

.hero-split-side-content.visible {
  opacity: 1;
}

.side-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-split-side-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  margin-bottom: 1rem;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.hero-split-side-content p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  margin: 5% 0%;
}

.hero-split-divider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.85);
  cursor: ew-resize;
  z-index: 1;
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  user-select: none;
}

.hero-split-divider::before {
  content: url('/s/logoBsmall.png');
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  z-index: 11;
}

.hero-split-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 15;
  text-align: center;
  color: white;
  pointer-events: none;
  opacity: 1;
}

.hero-split-content h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 1rem;
  font-weight: 800;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.hero-split-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 500px;
  margin: 5rem auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  border-radius: 5px;
  border: 1px solid white;
  padding: 1.5rem;
}

.hero-split-hint {
  position: fixed;
  bottom: 3rem;
  left: 35%;
  margin: 0 auto;
  width: fit-content;
  padding: 0 2rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  z-index: 15;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.6;
  }

  50% {
    opacity: 1;
  }
}

/* ═════════════════════════════════════════════════════════════════════════════
   CONSOLIDATED MOBILE MEDIA QUERIES (max-width: 800px)
   ═════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 800px) {

  section {
    padding: 3.5rem 0;
  }

  .stat-band-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .how-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  #footer {
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-col-brand {
    grid-column: auto;
    align-items: center;
  }
  
  .footer-col {
    align-items: center;
  }

  .project-meta {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-detail {
    grid-template-columns: 1fr;
  }

  .error-number {
    font-size: clamp(5rem, 22vw, 8rem);
  }

  .panel-illustration {
    display: none;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-home,
  .btn-back,
  .btn-contact {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  #privacy-hero {
    min-height: 35vh;
    padding-top: 72px;
  }

  #privacy-hero h1 {
    font-size: 2rem;
  }

  #privacy-content {
    padding: 2.5rem 0;
  }

  .privacy-section {
    margin-bottom: 2.5rem;
  }

  .toc {
    padding: 1.5rem;
  }

  .hero-split-divider,
  .hero-split-divider::before,
  .hero-split-divider::after,
  .hero-split-hint,
  #splitContent {
    display: none;
  }

  #hero-split {
    position: relative;
    height: 100vh;
  }

  .hero-split-container {
    position: relative;
    height: 100%;
    overflow: auto;
  }

  .hero-split-side {
    position: relative;
    width: 100%;
    height: 100%;
  }

  .hero-split-left,
  .hero-split-right {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    left: 0 !important;
  }

  .hero-split-side-content {
    opacity: 1 !important;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    background: rgba(0, 0, 0, 0);
    padding: 1rem;
  }

  .hero-split-content h1 {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }

  .hero-split-side-content h2 {
    font-size: clamp(5rem, 4vw, 3rem);
  }
}