/* ============================================
   RTCDC CONSTRUCTION - MODERN DESIGN SYSTEM
   ============================================ */

/* ==================== TYPOGRAPHY ==================== */
:root {
  /* Font Families */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Georgia', 'Times New Roman', serif;

  /* Font Sizes */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Line Heights */
  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.625;
  --lh-loose: 1.875;
}

/* ==================== SPACING SYSTEM ==================== */
:root {
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 2.5rem;
  --spacing-3xl: 3rem;
  --spacing-4xl: 4rem;
  --spacing-5xl: 5rem;
}

/* ==================== BORDER RADIUS ==================== */
:root {
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

/* ==================== SHADOWS ==================== */
:root {
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ==================== TRANSITIONS ==================== */
:root {
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ==================== GLOBAL STYLES ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-primary);
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: #545150;
  background-color: #ffffff;
}

/* ==================== TYPOGRAPHY COMPONENTS ==================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  margin-bottom: var(--spacing-md);
  color: #1f2937;
}

h1 {
  font-size: var(--fs-4xl);
}

h2 {
  font-size: var(--fs-3xl);
}

h3 {
  font-size: var(--fs-2xl);
}

h4 {
  font-size: var(--fs-xl);
}

h5 {
  font-size: var(--fs-lg);
}

h6 {
  font-size: var(--fs-base);
}

p {
  line-height: var(--lh-relaxed);
  margin-bottom: var(--spacing-md);
}

a {
  color: #BF1B2C;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #8a1420;
  text-decoration: underline;
}

/* ==================== BUTTONS ==================== */
.btn-primary {
  background-color: #BF1B2C;
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid #BF1B2C;
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-block;
  text-align: center;
}

.btn-primary:hover {
  background-color: #8a1420;
  border-color: #8a1420;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: white;
  color: #1f2937;
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid #1f2937;
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-block;
  text-align: center;
}

.btn-secondary:hover {
  background-color: #f3f4f6;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ==================== CARDS ==================== */
.card {
  border: 2px solid #d1d5db;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  background-color: white;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: #BF1B2C;
  transform: translateY(-4px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #BF1B2C, #545150);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  color: white;
}

.card-icon-circle {
  width: 80px;
  height: 80px;
  background-color: #BF1B2C;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-xl);
  color: white;
}

/* ==================== SECTIONS ==================== */
section {
  scroll-margin-top: 80px;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-5xl);
}

.section-header h2 {
  font-size: var(--fs-4xl);
  margin-bottom: var(--spacing-lg);
}

.section-header p {
  font-size: var(--fs-lg);
  max-width: 700px;
  margin: 0 auto;
  color: #545150;
}

/* ==================== BACKGROUNDS ==================== */
.bg-light {
  background-color: #f3f4f6;
}

.bg-dark {
  background-color: #1f2937;
  color: white;
}

.bg-accent {
  background-color: #BF1B2C;
  color: white;
}

.bg-white {
  background-color: white;
}

/* ==================== BORDERS ==================== */
.border-top {
  border-top: 2px solid #d1d5db;
}

.border-bottom {
  border-bottom: 2px solid #d1d5db;
}

.border-accent {
  border: 2px solid #BF1B2C;
}

/* ==================== UTILITIES ==================== */
.text-primary {
  color: #1f2937;
}

.text-secondary {
  color: #545150;
}

.text-accent {
  color: #BF1B2C;
}

.text-light {
  color: #9ca3af;
}

.text-white {
  color: white;
}

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

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

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

/* Spacing */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.ml-0 { margin-left: 0; }
.mr-0 { margin-right: 0; }

.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

/* Display */
.d-flex {
  display: flex;
}

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

.align-items-center {
  align-items: center;
}

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

.justify-content-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }
.gap-5 { gap: var(--spacing-2xl); }

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
  h1 {
    font-size: var(--fs-3xl);
  }

  h2 {
    font-size: var(--fs-2xl);
  }

  h3 {
    font-size: var(--fs-xl);
  }

  .section-header {
    margin-bottom: var(--spacing-4xl);
  }

  .section-header h2 {
    font-size: var(--fs-2xl);
  }

  .card {
    padding: var(--spacing-lg);
  }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotateIcon {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes countUp {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-in-out;
}

.animate-slide-in-left {
  animation: slideInLeft var(--transition-base) ease-in-out;
}

.animate-slide-in-right {
  animation: slideInRight var(--transition-base) ease-in-out;
}

.animate-bounce-in {
  animation: bounceIn 0.6s ease-in-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-in-out;
}

.animate-slide-in-down {
  animation: slideInDown 0.6s ease-in-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-icon-hover:hover svg {
  animation: rotateIcon 0.6s ease-in-out;
}

/* Stagger animations for lists */
.stagger-item {
  opacity: 0;
  animation: slideInUp 0.6s ease-in-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.2s; }
.stagger-item:nth-child(4) { animation-delay: 0.3s; }
.stagger-item:nth-child(5) { animation-delay: 0.4s; }
.stagger-item:nth-child(6) { animation-delay: 0.5s; }
.stagger-item:nth-child(7) { animation-delay: 0.6s; }
.stagger-item:nth-child(8) { animation-delay: 0.7s; }

/* Scroll-triggered animations */
.scroll-animate {
  opacity: 0;
}

.scroll-animate.in-view {
  animation: slideInUp 0.6s ease-in-out forwards;
}

.scroll-animate.in-view-fade {
  animation: fadeIn 0.6s ease-in-out forwards;
}

.scroll-animate.in-view-left {
  animation: slideInLeft 0.6s ease-in-out forwards;
}

.scroll-animate.in-view-right {
  animation: slideInRight 0.6s ease-in-out forwards;
}

.scroll-animate.in-view-down {
  animation: slideInDown 0.6s ease-in-out forwards;
}

/* ======= NAVBAR ACTIVE/LINK MODERNIZATION ======= */
.navbar-link {
  font-weight: 500;
  color: #545150;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}
.navbar-link:hover {
  color: #BF1B2C;
}
.navbar-link:focus {
  color: #BF1B2C;
  outline: 2px solid #bbb;
  outline-offset: 2px;
  box-shadow: none;
}
.navbar-link.active {
  color: #BF1B2C;
}
.navbar-link.active::after {
  content: "";
  display: block;
  margin: 0 auto;
  margin-top: 4px;
  height: 3px;
  width: 32px;
  background: linear-gradient(90deg,#BF1B2C, #9f1620);
  border-radius: 2px;
  transition: width 250ms cubic-bezier(.4,0,.2,1);
}
@media (max-width: 768px) {
  .navbar-link.active::after {
    width: 22px;
    height: 2px;
  }
}

/* ==================== ACCESSIBILITY ==================== */
:focus {
  outline: 2px solid #BF1B2C;
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 2px solid #BF1B2C;
  outline-offset: 2px;
}

/* Remove red outline on navbar-link/button focus for cleaner UI, add subtle gray outline */
button:focus,
button:active {
  outline: 2px solid #bbb !important; /* Subtle, not red */
  outline-offset: 2px;
  box-shadow: none;
}
a:focus,
a:active {
  outline: none !important;
  box-shadow: none !important;
}

/* ==================== MODERN LAYOUT ENHANCEMENTS ==================== */
body {
  background: var(--gradient-page, #f8f9fb);
  color: #2b2b2b;
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
}

section {
  position: relative;
  isolation: isolate; /* allow overlays without leaking */
}

.container {
  max-width: 1200px;
}

.surface-card {
  background: #ffffff;
  border: 1px solid rgba(84, 81, 80, 0.08);
  border-radius: 18px;
  box-shadow: 0 18px 50px -22px rgba(0, 0, 0, 0.45);
  padding: clamp(1.25rem, 1vw + 1rem, 2rem);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.surface-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px -28px rgba(0, 0, 0, 0.5);
  border-color: rgba(191, 27, 44, 0.25);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.35);
}

.soft-gradient {
  background: linear-gradient(135deg, rgba(191, 27, 44, 0.08), rgba(84, 81, 80, 0.08));
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(191, 27, 44, 0.08);
  color: #a01822;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.shadow-lift {
  box-shadow: 0 18px 45px -20px rgba(0, 0, 0, 0.45);
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.25rem, 1vw + 1rem, 2rem);
}

.image-frame {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 18px 45px -24px rgba(0, 0, 0, 0.5);
}

.image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base), filter var(--transition-base);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.08) 35%, rgba(0, 0, 0, 0.25) 100%);
  pointer-events: none;
}

.image-frame:hover img {
  transform: scale(1.03);
  filter: saturate(1.05);
}

.overlay-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: #111;
}

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

.overlay-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.4) 100%);
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.overlay-card:hover::before {
  opacity: 0.7;
}

.overlay-card .overlay-content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.25rem 1.5rem;
  color: #fff;
  display: grid;
  gap: 0.35rem;
  z-index: 1;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #f1f5f9;
  font-weight: 600;
}

.divider-line {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, rgba(191, 27, 44, 0), rgba(191, 27, 44, 0.35), rgba(191, 27, 44, 0));
  margin: 1.5rem 0;
}

.accent-pill {
  background: rgba(191, 27, 44, 0.12);
  color: #8a1420;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-weight: 600;
}

.muted {
  color: #6b7280;
}

.subtle-border {
  border: 1px solid rgba(84, 81, 80, 0.12);
}

.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.28) 55%, rgba(0, 0, 0, 0.2));
  z-index: 0;
}

.hero-overlay > * {
  position: relative;
  z-index: 1;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
}

.panel-tile {
  padding: 1.25rem 1.5rem;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(84, 81, 80, 0.08);
  box-shadow: 0 14px 40px -22px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.panel-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px -24px rgba(0, 0, 0, 0.45);
}

.accent-link {
  color: #BF1B2C;
  font-weight: 700;
}

.accent-link:hover {
  color: #8a1420;
}

.rounded-xl {
  border-radius: 18px;
}

.stack-gap-lg {
  display: grid;
  gap: 1.75rem;
}

.section-bleed {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(191, 27, 44, 0.04), rgba(84, 81, 80, 0.03));
  border: 1px solid rgba(84, 81, 80, 0.08);
}

.section-bleed::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(191, 27, 44, 0.12), transparent 55%);
  filter: blur(20px);
}

.section-bleed::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(84, 81, 80, 0.12), transparent 55%);
  filter: blur(26px);
}

.tilt-hover {
  transition: transform var(--transition-base);
}

.tilt-hover:hover {
  transform: translateY(-6px) rotate(-0.35deg);
}

.cta-band {
  background: linear-gradient(120deg, #BF1B2C, #701019);
  color: #fff;
  border-radius: 18px;
  padding: clamp(1.75rem, 2vw + 1rem, 3rem);
  box-shadow: 0 24px 65px -28px rgba(0, 0, 0, 0.6);
}

.cta-band h3 {
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
}

.cta-band .btn-primary {
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.5);
}

.cta-band .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.75);
}

.cta-band .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.icon-chip {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(191, 27, 44, 0.1);
  color: #8a1420;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 24px -16px rgba(0, 0, 0, 0.4);
}

.floater {
  position: absolute;
  inset: auto 10% -12% auto;
  width: 120px;
  height: 120px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(191, 27, 44, 0.14), rgba(84, 81, 80, 0.12));
  box-shadow: 0 25px 50px -25px rgba(0, 0, 0, 0.5);
  transform: rotate(6deg);
  opacity: 0.9;
}

.floater-alt {
  inset: -10% auto auto 8%;
  transform: rotate(-8deg);
}

.badge-contrast {
  background: #0b0b0b;
  color: #f9fafb;
}

.text-contrast {
  color: #0f172a;
}

.text-soft {
  color: #4b5563;
}

.pill-light {
  background: rgba(255, 255, 255, 0.75);
  color: #1f2937;
}

/* ==================== PRINT STYLES ==================== */
@media print {
  body {
    background-color: white;
  }

  .no-print {
    display: none;
  }
}