/* ==========================================================================
   ARTKANIST - Association Loi 1901 | Official Design System & Architecture
   Palette: Raw Charcoal (#1C1A17), Earth Ocher (#C87D55), Alabaster (#F9F6F0),
   Card White (#FFFFFF), Border Tint (#D9D2C9), Accent Dark (#12110F)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Outfit:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --color-charcoal: #1C1A17;
  --color-charcoal-light: #2A2723;
  --color-ocher: #C87D55;
  --color-ocher-hover: #B56C45;
  --color-ocher-soft: rgba(200, 125, 85, 0.12);
  --color-ocher-border: rgba(200, 125, 85, 0.35);
  --color-alabaster: #F9F6F0;
  --color-alabaster-card: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-dark: #38342E;
  --color-text-primary: #1C1A17;
  --color-text-muted: #5C5750;
  --color-text-light: #F9F6F0;
  --color-text-dim: #A8A196;
  --color-accent-green: #3A6351;

  --font-serif: 'Newsreader', 'Georgia', serif;
  --font-display: 'Cinzel', 'Newsreader', serif;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', Courier, monospace;

  --nav-total-height: 110px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-subtle: 0 4px 20px rgba(28, 26, 23, 0.05);
  --shadow-hover: 0 10px 30px rgba(28, 26, 23, 0.09);
  --transition: all 0.25s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-alabaster);
  color: var(--color-text-primary);
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  background-color: var(--color-alabaster);
  color: var(--color-text-primary);
  padding-top: var(--nav-total-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.5rem; margin-bottom: 1.25rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.45rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1.2rem;
  color: var(--color-text-muted);
  font-size: 1.025rem;
}

p.lead {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  font-weight: 400;
}

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

a:hover {
  color: var(--color-ocher-hover);
}

/* Reading Progress Indicator */
#reading-progress-track {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: rgba(200, 125, 85, 0.2);
  z-index: 10001;
  pointer-events: none;
}

#reading-progress-bar {
  width: 100%;
  height: 0%;
  background-color: var(--color-ocher);
  box-shadow: 0 0 8px rgba(200, 125, 85, 0.6);
  transition: height 0.05s linear;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing {
  padding: 64px 0;
}

.section-spacing-sm {
  padding: 40px 0;
}

/* Header & Double-Decker Nav Architecture */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

/* Row 1: Administrative Utility Bar */
.utility-bar {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  height: 38px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.utility-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.utility-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.utility-pill {
  background: rgba(200, 125, 85, 0.25);
  color: #F9C09E;
  padding: 1px 8px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.utility-bar a {
  color: var(--color-alabaster);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.utility-bar a:hover {
  color: var(--color-ocher);
}

/* Row 2: Main Institutional Navbar */
.main-navbar {
  background: #FFFFFF;
  height: 72px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--color-charcoal);
  letter-spacing: 0.12em;
  line-height: 1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-ocher);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Navigation Links & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 20px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-charcoal);
  padding: 10px 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-item:hover > .nav-link {
  color: var(--color-ocher);
  border-bottom-color: var(--color-ocher);
}

.nav-link.active {
  color: var(--color-ocher);
  border-bottom-color: var(--color-ocher);
}

.nav-chevron {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
}

.nav-item:hover .nav-chevron {
  transform: rotate(180deg);
}

/* Dropdown styling */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-ocher);
  box-shadow: var(--shadow-hover);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  min-width: 230px;
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 1000;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-charcoal);
  transition: background 0.15s ease;
}

.dropdown-link:hover {
  background: var(--color-alabaster);
  color: var(--color-ocher);
  padding-left: 22px;
}

.dropdown-link .item-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-right: 6px;
}

/* Mobile Toggle */
.mobile-toggle-btn {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-charcoal);
  font-size: 1.25rem;
  min-width: 44px;
  min-height: 44px;
}

/* Hero Section & Vanilla Slider */
.hero-wrapper {
  position: relative;
  background: var(--color-charcoal);
  color: var(--color-text-light);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-slider-container {
  position: relative;
  width: 100%;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-image-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.42) contrast(1.1);
  transform: scale(1.02);
  transition: transform 6s ease;
}

.hero-slide.active .hero-image-bg {
  transform: scale(1.0);
}

.hero-overlay-content {
  position: relative;
  z-index: 10;
  padding: 60px 0;
  max-width: 860px;
}

.hero-badge-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--color-ocher);
  color: #FFFFFF;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.hero-title {
  color: #FFFFFF;
  font-size: 3.1rem;
  line-height: 1.18;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-summary-statement {
  font-size: 1.25rem;
  line-height: 1.7;
  color: #E6E1D8;
  margin-bottom: 30px;
  border-left: 3px solid var(--color-ocher);
  padding-left: 18px;
  background: rgba(28, 26, 23, 0.4);
  backdrop-filter: blur(4px);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Breadcrumbs & Page Header */
.page-banner {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 36px 0;
}

.breadcrumb-nav {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-dim);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-nav a {
  color: var(--color-text-muted);
}

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

.page-banner-title {
  font-size: 2.3rem;
  margin-bottom: 8px;
}

.page-banner-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 840px;
}

/* Institutional Asymmetrical Grid Architecture (1fr 3fr) */
.asym-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 36px;
  align-items: start;
}

.sidebar-log {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
  position: sticky;
  top: 130px;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-charcoal);
  border-bottom: 2px solid var(--color-ocher);
  padding-bottom: 8px;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.meta-log-list {
  list-style: none;
}

.meta-log-item {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

.meta-log-label {
  color: var(--color-text-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-log-val {
  color: var(--color-charcoal);
  font-weight: 700;
  word-break: break-word;
}

.content-main {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Content Cards & Modules */
.content-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
}

.content-card-dark {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  border-color: var(--color-border-dark);
}

.content-card-dark h2, .content-card-dark h3, .content-card-dark h4 {
  color: var(--color-alabaster);
}

.content-card-dark p {
  color: #D9D2C9;
}

.content-card-highlight {
  border-left: 4px solid var(--color-ocher);
}

/* Image Presentation Protocol */
.image-box {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #EAE5DC;
  position: relative;
  aspect-ratio: 16 / 9;
}

.image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.image-box:hover img {
  transform: scale(1.03);
}

/* 4 Core Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.pillar-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ocher);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.pillar-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

/* Impact Numbers Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.impact-metric-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-subtle);
}

.impact-number {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-ocher);
  line-height: 1;
  margin-bottom: 8px;
}

.impact-label {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 4px;
}

.impact-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

/* Buttons & CTA Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  min-height: 44px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-ocher);
  color: #FFFFFF;
  border-color: var(--color-ocher);
}

.btn-primary:hover {
  background-color: var(--color-ocher-hover);
  border-color: var(--color-ocher-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  border-color: var(--color-charcoal);
}

.btn-secondary:hover {
  background-color: #000000;
  border-color: #000000;
  color: #FFFFFF;
}

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

.btn-outline:hover {
  background-color: var(--color-alabaster);
  border-color: var(--color-charcoal);
  color: var(--color-charcoal);
}

.btn-outline-light {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background-color: #FFFFFF;
  color: var(--color-charcoal);
}

/* Tables & Financial Ledgers */
.data-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  margin: 20px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 14px 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:nth-child(even) td {
  background: rgba(249, 246, 240, 0.6);
}

.data-table .mono-col {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.data-table .positive-val {
  color: var(--color-accent-green);
  font-weight: 700;
}

/* Form Architecture */
.institutional-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-label .required {
  color: var(--color-ocher);
}

.form-control {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--color-text-primary);
  transition: var(--transition);
  min-height: 46px;
}

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

.form-control:focus {
  outline: none;
  border-color: var(--color-ocher);
  box-shadow: 0 0 0 3px var(--color-ocher-soft);
}

.form-helper {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

/* Timeline Components */
.timeline-list {
  position: relative;
  padding-left: 28px;
  list-style: none;
  margin: 20px 0;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
}

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

.timeline-dot {
  position: absolute;
  top: 4px;
  left: -28px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 3px solid var(--color-ocher);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-ocher);
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

/* FAQ Accordion */
.faq-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: #FFFFFF;
  overflow: hidden;
}

.faq-header {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-charcoal);
  background: #FFFFFF;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-header:hover {
  background: var(--color-alabaster);
  color: var(--color-ocher);
}

.faq-body {
  padding: 0 24px 20px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Footer Architecture */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  padding-top: 60px;
  margin-top: auto;
  border-top: 3px solid var(--color-ocher);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 8px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #D9D2C9;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--color-ocher);
  padding-left: 4px;
}

.footer-meta-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #D9D2C9;
}

.mandatory-legal-bar {
  background: #12110F;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #A8A196;
}

.mandatory-legal-bar p {
  margin-bottom: 0;
  color: #A8A196;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  :root {
    --nav-total-height: 98px;
  }

  body {
    padding-top: var(--nav-total-height);
  }

  .utility-bar {
    display: none;
  }

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

  .nav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px;
    border-bottom: 2px solid var(--color-ocher);
    box-shadow: var(--shadow-hover);
    display: none;
    gap: 8px;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-ocher);
    background: var(--color-alabaster);
    margin: 6px 0 12px 10px;
    display: none;
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: block;
  }

  #reading-progress-track {
    display: none;
  }

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

  .sidebar-log {
    position: static;
  }

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

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

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

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero-title { font-size: 2.1rem; }
  
  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .hero-cta-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}