/* ==========================================================================
   ESPACE ROSEAU - Master Stylesheet
   Color Palette:
     - Dark Navy Base: #09111E
     - Deep Ocean Blue: #0B5A9E
     - Vibrant Sky Blue: #009BE3
     - Wavemaker Teal: #2BB686 (Input: #259B72, Border: #1E8360)
     - Crimson Red CTA: #C8102E
     - Off-White Canvas: #F8F9FA
     - Pure White: #FFFFFF
     - Muted Gray: #64748B
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Open+Sans:wght@400;500;600;700&display=swap');

:root {
  --color-navy: #09111E;
  --color-ocean: #0B5A9E;
  --color-sky: #009BE3;
  --color-teal: #2BB686;
  --color-teal-input: #259B72;
  --color-teal-border: #1E8360;
  --color-crimson: #C8102E;
  --color-canvas: #F8F9FA;
  --color-white: #FFFFFF;
  --color-slate: #1E293B;
  --color-muted: #64748B;
  --color-border: #E2E8F0;
  --font-heading: 'Oswald', 'Impact', 'Bebas Neue', sans-serif;
  --font-body: 'Open Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--color-canvas);
  color: var(--color-navy);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1.2rem;
  color: #334155;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 48px;
  min-width: 48px;
  white-space: nowrap;
}

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

.btn-crimson:hover {
  background-color: #A00D24;
  border-color: #A00D24;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(200, 16, 46, 0.35);
}

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

.btn-ocean:hover {
  background-color: #084377;
  border-color: #084377;
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-teal:hover {
  background-color: var(--color-teal-input);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(43, 182, 134, 0.3);
}

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

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

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

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--color-navy);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

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

.logo-main {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-white);
  line-height: 1;
}

.logo-main span {
  color: var(--color-teal);
}

.logo-sub {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-sky);
  margin-top: 0.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #E2E8F0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-sky);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #0E1A2E;
  min-width: 240px;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  border-top: 3px solid var(--color-teal);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  list-style: none;
  z-index: 100;
}

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

.dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  color: #CBD5E1;
  font-size: 0.95rem;
  transition: var(--transition);
}

.dropdown-link:hover {
  background-color: rgba(0, 155, 227, 0.15);
  color: var(--color-white);
  padding-left: 1.5rem;
}

.nav-contact-btn {
  background-color: var(--color-crimson) !important;
  color: var(--color-white) !important;
  padding: 0.6rem 1.3rem !important;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.nav-contact-btn:hover {
  background-color: #A00D24 !important;
  color: var(--color-white) !important;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(43, 182, 134, 0.18);
  border: 1px solid var(--color-teal);
  color: var(--color-teal);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}

.hero-title {
  color: var(--color-white);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  line-height: 1.12;
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--color-sky);
}

.hero-summary-2sentences {
  font-size: 1.22rem;
  font-weight: 500;
  line-height: 1.6;
  color: #E2E8F0;
  margin-bottom: 1.75rem;
  border-left: 4px solid var(--color-teal);
  padding-left: 1.25rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrap:hover img {
  transform: scale(1.02);
}

/* ==========================================================================
   Mandatory "Our Mission" Callout (120+ words uninterrupted)
   ========================================================================== */
.mission-callout-section {
  padding: 3rem 0;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}

.mission-callout-box {
  background: linear-gradient(135deg, #09111E 0%, #0B5A9E 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.75rem 3rem;
  box-shadow: 0 12px 30px rgba(9, 17, 30, 0.15);
  border-left: 8px solid var(--color-teal);
  position: relative;
}

.mission-callout-label {
  display: inline-block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  color: var(--color-teal);
  letter-spacing: 0.08em;
  font-size: 1.15rem;
  margin-bottom: 0.85rem;
}

.mission-callout-text {
  font-size: 1.12rem;
  line-height: 1.78;
  color: #F8FAFC;
  font-weight: 400;
  margin: 0;
}

/* ==========================================================================
   Wavemaker Teal Banner
   ========================================================================== */
.wavemaker-banner {
  background-color: var(--color-teal);
  color: var(--color-white);
  padding: 3rem 0;
  border-top: 3px solid var(--color-teal-border);
  border-bottom: 3px solid var(--color-teal-border);
}

.wavemaker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.wavemaker-content h2 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.wavemaker-content p {
  color: #E6F8F1;
  font-size: 1.1rem;
  margin: 0;
}

.wavemaker-form-wrap {
  display: flex;
  gap: 0.75rem;
  min-width: 360px;
}

.wavemaker-form-wrap input[type="email"] {
  background-color: var(--color-teal-input);
  border: 2px solid var(--color-teal-border);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  outline: none;
  flex: 1;
}

.wavemaker-form-wrap input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.75);
}

.wavemaker-form-wrap button {
  background-color: var(--color-navy);
  color: var(--color-white);
  border: 2px solid var(--color-navy);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.wavemaker-form-wrap button:hover {
  background-color: var(--color-crimson);
  border-color: var(--color-crimson);
}

/* ==========================================================================
   3-Column Info Grid
   ========================================================================== */
.section-padding {
  padding: 4.5rem 0;
}

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.section-head h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.section-head p {
  font-size: 1.1rem;
  color: var(--color-muted);
}

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

.card-info {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card-info:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 28px rgba(9, 17, 30, 0.08);
  border-color: var(--color-sky);
}

.card-icon-pill {
  width: 54px;
  height: 54px;
  background-color: rgba(11, 90, 158, 0.1);
  color: var(--color-ocean);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.35rem;
  font-weight: 700;
}

.card-info h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.card-info p {
  color: #475569;
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   5-Column Circular Update Section
   ========================================================================== */
.circular-updates-section {
  background-color: #EDF2F7;
  padding: 4.5rem 0;
}

.grid-5col {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.circular-update-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.circle-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid var(--color-teal);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  margin-bottom: 1.15rem;
  object-fit: cover;
}

.circular-update-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.circular-update-card p {
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.5;
}

/* ==========================================================================
   Ocean Blue Split-Grid Campaign Section
   ========================================================================== */
.ocean-split-section {
  background-color: var(--color-ocean);
  color: var(--color-white);
  padding: 5rem 0;
}

.ocean-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.ocean-split-content h2 {
  color: var(--color-white);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1.25rem;
}

.ocean-split-content p {
  color: #E2E8F0;
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.disclosure-notice-box {
  background-color: rgba(9, 17, 30, 0.35);
  border-left: 4px solid var(--color-teal);
  padding: 1.15rem 1.35rem;
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  color: #F1F5F9;
}

/* ==========================================================================
   3 Featured Overview Cards (linking to about, activities, volunteer)
   ========================================================================== */
.featured-triad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.overview-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.overview-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 0;
}

.overview-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.overview-card-body h3 {
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
}

.overview-card-body p {
  color: #475569;
  font-size: 0.98rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Operational Details & Text Flow Styles (Long-Form Content)
   ========================================================================== */
.prose-block {
  margin-bottom: 2.75rem;
}

.prose-block h2 {
  font-size: 2rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.prose-block h3 {
  font-size: 1.4rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-ocean);
}

.prose-block p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 1.35rem;
}

.prose-block ul, .prose-block ol {
  margin: 1.25rem 0 1.75rem 1.75rem;
  color: #334155;
}

.prose-block li {
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.highlight-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.highlight-table th {
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.95rem;
}

.highlight-table td {
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  color: #334155;
  font-size: 0.98rem;
}

.highlight-table tr:hover td {
  background-color: #F8FAFC;
}

/* ==========================================================================
   Forms & Interactive Elements
   ========================================================================== */
.form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-navy);
  background-color: #FFFFFF;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-sky);
  box-shadow: 0 0 0 3px rgba(0, 155, 227, 0.15);
}

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

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Sleek Modal Popup */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(9, 17, 30, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 2.75rem 2.25rem;
  text-align: center;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
  transform: scale(0.95);
  transition: var(--transition);
  border-top: 6px solid var(--color-teal);
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-icon-wrap {
  width: 70px;
  height: 70px;
  background-color: rgba(43, 182, 134, 0.15);
  color: var(--color-teal);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 1.25rem;
}

.modal-dialog h3 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.modal-dialog p {
  color: #475569;
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

/* ==========================================================================
   Mandatory Footer Layout
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy);
  color: #CBD5E1;
  padding: 5rem 0 0;
  border-top: 4px solid var(--color-ocean);
  font-size: 0.95rem;
}

.footer-grid-4col {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr 0.8fr;
  gap: 2.75rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-teal);
  padding-bottom: 0.5rem;
  display: inline-block;
}

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

.footer-contact-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: #CBD5E1;
}

.footer-contact-list a {
  color: #CBD5E1;
}

.footer-contact-list a:hover {
  color: var(--color-sky);
}

.footer-ack-text {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #94A3B8;
}

.footer-wavemaker-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-wavemaker-form input[type="email"] {
  background-color: var(--color-teal-input);
  border: 1.5px solid var(--color-teal-border);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
}

.footer-wavemaker-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.8);
}

.footer-wavemaker-form button {
  background-color: var(--color-teal);
  color: var(--color-white);
  border: none;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.footer-wavemaker-form button:hover {
  background-color: var(--color-crimson);
}

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

.footer-quick-links li {
  margin-bottom: 0.65rem;
}

.footer-quick-links a {
  color: #CBD5E1;
  transition: var(--transition);
  display: inline-block;
}

.footer-quick-links a:hover {
  color: var(--color-teal);
  transform: translateX(4px);
}

.footer-disclosure-block {
  background-color: #060B14;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem 0;
}

.footer-disclosure-text {
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #94A3B8;
  max-width: 1040px;
  margin: 0 auto;
}

.footer-copyright-bar {
  background-color: #04080F;
  padding: 1.35rem 0;
  text-align: center;
  font-size: 0.88rem;
  color: #64748B;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .grid-3col, .featured-triad-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-5col {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .ocean-split-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid-4col {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 74px;
  }
  
  .hamburger-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    width: 100%;
    background-color: var(--color-navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 2rem 2.5rem;
    gap: 1.25rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: none;
    max-height: calc(100vh - 74px);
    overflow-y: auto;
  }
  
  .nav-menu.mobile-open {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 0.75rem 0;
    font-size: 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(255, 255, 255, 0.04);
    border-top: none;
    border-left: 3px solid var(--color-teal);
    padding: 0.5rem 0 0.5rem 1rem;
    margin-top: 0.5rem;
  }
  
  .grid-3col, .featured-triad-grid {
    grid-template-columns: 1fr;
  }
  
  .grid-5col {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid-4col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .wavemaker-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .wavemaker-form-wrap {
    width: 100%;
    min-width: 0;
    flex-direction: column;
  }
}