/* ==========================================================================
   SafeConnect Investments Limited - Premium CSS Design System
   ========================================================================== */

/* Custom Variables – Dark Theme (default) */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  --bg-dark: #05090f;
  /* near-black navy */
  --bg-surface: #0b1420;
  /* card surface     */
  --bg-surface-light: #112033;
  /* elevated surface */
  --bg-input: #0d1829;

  --color-primary: #38bdf8;
  /* sky-400 — vivid on dark */
  --color-primary-rgb: 56, 189, 248;
  --color-secondary: #22d3ee;
  /* cyan-400          */
  --color-accent: #fbbf24;
  /* amber-400          */
  --color-danger: #f87171;
  --color-success: #34d399;

  --text-white: #ffffff;
  --text-primary: #f0f6ff;
  --text-secondary: #8da8c4;
  --text-muted: #4e6a84;

  --border-color: #1a2d45;
  --border-color-hover: #2a4263;
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.55);

  --header-height: 80px;
  --container-max-width: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Light Theme ────────────────────────────────────────────────────────── */
body.light-theme {
  --bg-dark: #f6f1eb;
  /* warm cream page bg  */
  --bg-surface: #ffffff;
  --bg-surface-light: #ede8e1;
  /* warm tinted sections */
  --bg-input: #faf8f5;

  --color-primary: #0369a1;
  /* sky-700 — enough contrast on white */
  --color-primary-rgb: 3, 105, 161;
  --color-secondary: #0891b2;
  /* cyan-600  */
  --color-accent: #b45309;
  /* amber-700 */
  --color-danger: #b91c1c;
  --color-success: #047857;

  --text-white: #0c1a28;
  --text-primary: #1a2e3f;
  --text-secondary: #44607a;
  --text-muted: #7a95aa;

  --border-color: #ddd7ce;
  --border-color-hover: #b8afa5;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.09), 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Light-mode hard-coded colour overrides */
body.light-theme .site-header {
  background-color: rgba(246, 241, 235, 0.88);
  border-bottom-color: var(--border-color);
}

body.light-theme .site-header.scroll-nav {
  background-color: rgba(246, 241, 235, 0.97);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

body.light-theme .site-footer {
  background-color: #ede8e1;
}

body.light-theme .nav-menu {
  background-color: #f6f1eb;
}

body.light-theme .mobile-nav-toggle .bar {
  background-color: var(--text-primary);
}

body.light-theme .hero-section {
  background: radial-gradient(circle at 10% 20%, rgba(3, 105, 161, 0.07) 0%, transparent 60%);
}

body.light-theme .orb-1 {
  background: #0369a1;
}

body.light-theme .orb-2 {
  background: #b45309;
}

body.light-theme .grid-overlay {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

/* Cards get depth via shadow instead of just a border */
body.light-theme .service-card,
body.light-theme .value-card,
body.light-theme .project-card,
body.light-theme .team-card,
body.light-theme .mv-card,
body.light-theme .visual-card,
body.light-theme .targets-card,
body.light-theme .contact-form-panel,
body.light-theme .partner-card {
  box-shadow: var(--shadow-card);
  border-color: var(--border-color);
}

body.light-theme ::-webkit-scrollbar-track {
  background: #ede8e1;
}

body.light-theme ::-webkit-scrollbar-thumb {
  background: #b8afa5;
}

/* Smooth transitions on theme switch for all key properties */
body,
.site-header,
section,
.service-card,
.value-card,
.project-card,
.team-card,
.mv-card,
.targets-card,
.partner-card,
.contact-form-panel,
.site-footer,
.nav-menu,
.form-group input,
.form-group select,
.form-group textarea,
.footer-grid {
  transition: background-color var(--transition-normal),
    border-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* ── Skip Navigation Link (WCAG 2.1 SC 2.4.1) ───────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* ── Global Focus Ring (WCAG 2.1 SC 1.4.11 / 2.4.7) ─────────────────────── */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Suppress overflow during mobile nav open ───────────────────────────── */
body.no-scroll {
  overflow: hidden;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-surface-light);
  border-radius: 5px;
  border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* General Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background-color: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover {
  background-color: #0271ab;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.03);
  transform: translateY(-2px);
}

.btn-block {
  display: block;
  width: 100%;
}

/* Header & Navigation Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(7, 11, 19, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1000;
  transition: var(--transition-fast);
}

.site-header.scroll-nav {
  height: 70px;
  background-color: rgba(7, 11, 19, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
}

.logo-icon-small {
  width: 32px;
  height: 32px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--text-white);
  line-height: 1.1;
}

.logo-subtitle {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

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

.nav-link:not(.nav-btn)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-link:not(.nav-btn):hover::after,
.nav-link:not(.nav-btn).active::after {
  width: 100%;
}

.nav-btn {
  background-color: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: 600;
}

.nav-btn:hover {
  background-color: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
}

/* Mobile Nav Toggle Icon */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}

.mobile-nav-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--text-white);
  transition: var(--transition-fast);
}

/* Header Controls Group (theme toggle + hamburger) */
.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  transform: rotate(20deg);
}

/* Show moon in dark mode, sun in light mode */
.icon-sun {
  display: none;
}

.icon-moon {
  display: block;
}

body.light-theme .icon-sun {
  display: block;
}

body.light-theme .icon-moon {
  display: none;
}

/* Hero Section Styles */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.05) 0%, rgba(7, 11, 19, 0) 60%);
  overflow: hidden;
}

.hero-background-effects {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.005) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.005) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 40%, transparent 100%);
}

.glowing-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}

.orb-1 {
  top: 20%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  animation: floatOrb 12s ease-in-out infinite alternate;
}

.orb-2 {
  bottom: 10%;
  left: 5%;
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  animation: floatOrb 8s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% {
    transform: translateY(0) scale(1);
  }

  100% {
    transform: translateY(-40px) scale(1.1);
  }
}

.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 680px;
}

.hero-title {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.engine-graphic {
  width: 100%;
  height: auto;
}

.visual-overlay-info {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.info-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.green-pulse::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulseGrad 1.5s infinite;
}

@keyframes pulseGrad {
  0% {
    transform: scale(0.9);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.1);
    opacity: 1;
  }

  100% {
    transform: scale(0.9);
    opacity: 0.6;
  }
}

.info-metrics {
  display: flex;
  gap: 20px;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.metric .val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-secondary);
}

.metric .lbl {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Animations for inline graphics */
.pulse-anim-1 {
  animation: cylinderPulse 1s ease-in-out infinite alternate;
}

.pulse-anim-2 {
  animation: cylinderPulse 1.4s ease-in-out infinite alternate-reverse;
}

@keyframes cylinderPulse {
  0% {
    fill-opacity: 0.6;
    r: 12px;
  }

  100% {
    fill-opacity: 1;
    r: 16px;
  }
}

.wave-anim {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawWave 4s linear infinite;
}

@keyframes drawWave {
  0% {
    stroke-dashoffset: 1000;
  }

  100% {
    stroke-dashoffset: 0;
  }
}

/* Section Common Styles */
section {
  padding: 100px 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.section-title-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px auto;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  margin: 0 auto 20px auto;
  border-radius: 2px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* About Section Styles */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}

.paragraph {
  margin-bottom: 20px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.mission-vision-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.mv-card {
  display: flex;
  gap: 20px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}

.mv-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  flex-shrink: 0;
}

.mv-icon-wrapper.amber {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.mv-icon-wrapper.blue {
  background-color: rgba(2, 132, 199, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.mv-text h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.mv-text p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Core Values Content */
.subsection-title {
  font-size: 1.4rem;
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.value-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  transition: var(--transition-fast);
}

.value-card:hover {
  border-color: rgba(var(--color-primary-rgb), 0.3);
  transform: translateY(-2px);
}

.value-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.value-icon {
  font-size: 1.25rem;
}

.value-header h4 {
  font-size: 1rem;
}

.value-card p {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Services Section Styles */
.services-section {
  background-color: rgba(13, 21, 37, 0.4);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 80px;
}

.service-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 36px 30px;
  transition: var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.service-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: rgba(var(--color-primary-rgb), 0.08);
  border-radius: 8px;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.service-card:hover .service-icon-box {
  background-color: var(--color-primary);
  color: var(--text-white);
  box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.5);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.service-card p {
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-details-list {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.service-details-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 18px;
}

.service-details-list li::before {
  content: '⚡';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.8rem;
}

/* Technical Alliance block */
.partners-block {
  border-top: 1px solid var(--border-color);
  padding-top: 80px;
  text-align: center;
}

.partners-title {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.partners-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  text-align: left;
  max-width: 1000px;
  margin: 0 auto;
}

.partner-card {
  background-color: var(--bg-surface-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 30px;
}

.partner-logo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.partner-logo h4 {
  font-size: 1.25rem;
  font-weight: 700;
}

.germany-badge,
.nigeria-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
}

.germany-badge {
  color: var(--color-accent);
  border: 1px solid currentColor;
  background: transparent;
}

.nigeria-badge {
  color: var(--color-secondary);
  border: 1px solid currentColor;
  background: transparent;
}

.partner-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Projects Section Styles */
.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.project-image-placeholder {
  position: relative;
  background-color: var(--bg-dark);
  width: 100%;
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-success);
  border: 1px solid var(--color-success);
  background: transparent;
  padding: 3px 9px;
  border-radius: 3px;
  backdrop-filter: blur(4px);
}

/* Filter-driven card visibility — toggled via JS classList */
.project-card.is-hidden {
  display: none;
}

.project-card.is-fading {
  opacity: 0;
  transform: scale(0.97) translateY(8px);
  pointer-events: none;
}

.project-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-location {
  font-size: 0.75rem;
  color: var(--color-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.project-content h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-meta {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-meta span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* HSC Section Styles */
.hsc-section {
  background-color: rgba(13, 21, 37, 0.4);
}

.hsc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.objectives-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.objective-item {
  display: flex;
  gap: 20px;
}

.obj-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.7;
  line-height: 1;
}

.obj-content h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.obj-content p {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Targets Card */
.targets-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
}

.targets-card .subsection-title {
  margin-bottom: 12px;
}

.targets-card>p {
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.target-stat-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.target-progress {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--bg-surface-light);
  stroke-width: 6;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 6;
  stroke-linecap: round;
}

.progress-val {
  position: absolute;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
}

.target-info h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.target-info p {
  font-size: 0.8rem;
  line-height: 1.5;
}

.safety-sign-off {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  margin-top: 30px;
}

.safety-sign-off .quote {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.signature {
  display: flex;
  flex-direction: column;
}

.signature strong {
  color: var(--text-white);
  font-size: 0.9rem;
}

.signature span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Management/Team Section Styles */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.team-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition-fast);
}

.team-card:hover {
  border-color: rgba(var(--color-primary-rgb), 0.3);
  transform: translateY(-4px);
}

.team-avatar {
  width: 90px;
  height: 90px;
  margin-bottom: 20px;
}

.avatar-svg {
  width: 100%;
  height: 100%;
  border-radius: 100%;
}

.team-info h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.team-info .role {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.team-info .bio {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* Contact & Query Section Styles */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.info-details {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 32px;
}

.info-detail-item {
  display: flex;
  gap: 20px;
}

.detail-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.detail-text strong {
  font-size: 0.95rem;
  color: var(--text-white);
  display: block;
  margin-bottom: 6px;
}

.detail-text p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Contact Form Styles */
.contact-form-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 40px;
}

.contact-form-panel .paragraph {
  margin-bottom: 30px;
}

.contact-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: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-white);
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.2);
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: var(--color-danger);
}

.error-msg {
  display: none;
  font-size: 0.75rem;
  color: var(--color-danger);
}

.form-group input.invalid+.error-msg,
.form-group select.invalid+.error-msg,
.form-group textarea.invalid+.error-msg {
  display: block;
}

.form-status {
  text-align: center;
  font-size: 0.9rem;
  padding: 10px;
  border-radius: 6px;
  display: none;
}

.form-status.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Footer Styles */
.site-footer {
  background-color: #04070d;
  padding: 80px 0 30px 0;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-white);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 400px;
}

.rc-number {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links h4,
.footer-services h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.footer-links ul,
.footer-services ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

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

.footer-services li {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.developer-tag {
  font-weight: 500;
}

/* Animations Trigger Classes */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Media Queries */

/* Tablet viewports */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

  .hsc-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* Mobile viewports */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

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

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-dark);
    padding: 40px 24px;
    flex-direction: column;
    align-items: flex-start;
    border-top: 1px solid var(--border-color);
    transform: translateX(100%);
    transition: var(--transition-normal);
    z-index: 999;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 24px;
  }

  .nav-link {
    font-size: 1.15rem;
    width: 100%;
    display: block;
  }

  .nav-btn {
    text-align: center;
    width: 100%;
    padding: 12px;
  }

  .mobile-nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .mobile-nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
  }

  .mobile-nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}