/* ========================================================
   DRONE A.I. LLC
   Palette: #06 Oxblood & Pearl Luxury Architectural System
   Zero Emojis • Pure SVG Icons • Zero EM-Dash Strict Compliance
   ======================================================== */

:root {
  /* Color System (#06 Oxblood & Pearl) */
  --color-oxblood: #6B1724;
  --color-oxblood-rgb: 107, 23, 36;
  --color-oxblood-dark: #4A0E17;
  --color-oxblood-hover: #54111B;
  --color-oxblood-soft: rgba(107, 23, 36, 0.08);

  --color-pearl: #FAF7F2;
  --color-pearl-card: #FFFFFF;
  --color-pearl-subtle: #F3EFEA;
  --color-pearl-border: #E8E2D8;
  --color-pearl-border-strong: #D6CDC0;

  --color-copper: #C25E2B;
  --color-copper-hover: #A84D20;
  --color-copper-soft: rgba(194, 94, 43, 0.12);

  --color-slate: #1E2024;
  --color-slate-dark: #121316;
  --color-slate-light: #4A4E57;

  --color-text-main: #1A1617;
  --color-text-muted: #6B6667;
  --color-text-light: #9E9798;
  --color-text-white: #FAF7F2;

  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 6px rgba(26, 22, 23, 0.04);
  --shadow-md: 0 8px 24px rgba(26, 22, 23, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 22, 23, 0.12);
  --shadow-hero: 0 24px 64px rgba(107, 23, 36, 0.22);

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-pearl);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-padding {
  padding-block: 6rem;
}

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

.w-full {
  width: 100%;
}

.mt-2 {
  margin-top: 0.75rem;
}

.text-accent {
  color: var(--color-copper);
}

/* Section Header Shared */
.section-intro {
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-oxblood);
  background: var(--color-oxblood-soft);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
  border: 1px solid rgba(107, 23, 36, 0.14);
}

.section-kicker-light {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-copper);
  background: rgba(194, 94, 43, 0.18);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  font-weight: 800;
  color: var(--color-slate-dark);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 1.1rem;
}

.section-subtext {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ========================================================
   SECTION 01: STICKY HEADER (LUXURY DARK GLASS DROPSHADOW)
   Single-tier layout, phone number exclusively in top-right corner
   ======================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(14, 15, 18, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(250, 247, 242, 0.09);
  transition: all var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.brand-link {
  display: flex;
  align-items: center;
}

.site-logo-svg {
  width: 200px;
  height: auto;
  display: block;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-item {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #E2E8F0;
  padding-block: 0.4rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-item:hover {
  color: var(--color-copper);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-copper);
  transition: width var(--transition-fast);
}

.nav-item:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Phone Number ONLY in Top-Right Corner */
.header-phone-compact {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: #FAF7F2;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(250, 247, 242, 0.08);
  border: 1px solid rgba(250, 247, 242, 0.16);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.header-phone-compact:hover {
  border-color: var(--color-copper);
  color: #FFFFFF;
  background: rgba(194, 94, 43, 0.24);
}

.phone-svg-icon {
  width: 16px;
  height: 16px;
  color: var(--color-copper);
}

.phone-number-text {
  letter-spacing: 0.02em;
}

/* Button Component System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--color-oxblood);
  color: var(--color-pearl);
  box-shadow: 0 4px 14px rgba(107, 23, 36, 0.28);
}

.btn-primary:hover {
  background: var(--color-oxblood-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(107, 23, 36, 0.42);
}

.btn-secondary {
  background: var(--color-slate-dark);
  color: var(--color-pearl);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-slate-dark);
  border: 1.5px solid var(--color-pearl-border-strong);
}

.btn-outline:hover {
  background: var(--color-pearl-subtle);
  border-color: var(--color-oxblood);
  color: var(--color-oxblood);
}

.btn-hero-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
}

.btn-pdf-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-oxblood);
  background: var(--color-pearl-subtle);
  border: 1px solid var(--color-pearl-border);
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-pdf-download:hover {
  background: var(--color-oxblood-soft);
  border-color: var(--color-oxblood);
  transform: translateY(-2px);
}

.pdf-icon {
  width: 17px;
  height: 17px;
  color: var(--color-copper);
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: #FAF7F2;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  background: #141518;
  border-bottom: 2px solid rgba(250, 247, 242, 0.12);
  padding: 1.8rem;
  gap: 1.2rem;
}

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

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FAF7F2;
  transition: color var(--transition-fast);
}

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

.stars-gold-row {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--color-copper);
  flex-shrink: 0;
  white-space: nowrap;
}

.star-svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.check-svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ========================================================
   SECTION 02: CINEMATIC FULL-BLEED CHOREOGRAPHED HERO
   Full-Bleed Ambient Zooming Canvas • Staggered Blur-To-Focus Spawn
   ======================================================== */
.hero-fullbleed {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-block: 4.5rem 4rem;
  background: #0E0F12;
}

/* Background Canvas */
.hero-bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

/* Ambient Slow Zoom Out Animation on Page Load & Breathing Cycle */
@keyframes heroBgZoomOut {
  0% {
    transform: scale(1.18);
  }
  100% {
    transform: scale(1.05);
  }
}

@keyframes heroBgAmbientBreath {
  0% {
    transform: scale(1.05);
  }
  50% {
    transform: scale(1.10);
  }
  100% {
    transform: scale(1.05);
  }
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
  transform-origin: center center;
  animation: heroBgZoomOut 4.8s cubic-bezier(0.16, 1, 0.3, 1) forwards,
             heroBgAmbientBreath 24s ease-in-out 4.8s infinite;
  will-change: transform;
}

.hero-bg-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(14, 15, 18, 0.76) 0%, 
    rgba(18, 19, 22, 0.64) 30%, 
    rgba(18, 19, 22, 0.88) 75%, 
    #0E0F12 100%
  );
  z-index: 2;
}

.hero-bg-radial-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 35%, rgba(14, 15, 18, 0.85) 100%);
  z-index: 3;
}

.hero-bg-glow {
  position: absolute;
  top: 15%;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(107, 23, 36, 0.32) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 3;
  pointer-events: none;
}

/* Content Container & Choreographed Stagger */
.hero-container {
  position: relative;
  z-index: 10;
  width: 100%;
}

.hero-content-stack {
  max-width: 980px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Choreographic Blur-To-Focus Text Spawn Keyframes */
@keyframes heroChoreoReveal {
  0% {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.hero-stagger {
  opacity: 0;
  animation: heroChoreoReveal 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-stagger-1 { animation-delay: 0.15s; }
.hero-stagger-2 { animation-delay: 0.38s; }
.hero-stagger-3 { animation-delay: 0.65s; }
.hero-stagger-4 { animation-delay: 0.95s; }
.hero-stagger-5 { animation-delay: 1.25s; }

/* Eyebrow Badge (Dark Glassmorphic) */
.hero-eyebrow-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(250, 247, 242, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(250, 247, 242, 0.18);
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  flex-shrink: 0;
}

.eyebrow-text-dark {
  font-size: 0.82rem;
  font-weight: 700;
  color: #FAF7F2;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow-mobile {
  display: none;
}

/* Grand Two-Line Headline (Large, Sharp & High-Contrast) */
.hero-title-light {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 4.3vw, 3.8rem);
  font-weight: 900;
  color: #FAF7F2;
  line-height: 1.12;
  letter-spacing: -0.028em;
  margin-bottom: 1.1rem;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
}

.hero-title-line {
  display: block;
}

.title-gradient-accent {
  background: linear-gradient(135deg, #FF6B6B 0%, #E63946 35%, #C25E2B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  margin-top: 0.25rem;
  filter: drop-shadow(0 2px 14px rgba(194, 94, 43, 0.3));
}

/* High-Authority Subtext */
.hero-text-light {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: #E2E8F0;
  line-height: 1.65;
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: 1.8rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

/* Glassmorphic Feature Grid Bar */
.hero-features-glass {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  width: 100%;
  max-width: 1020px;
  margin-bottom: 1.8rem;
}

.feature-item-glass {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.875rem;
  color: #FAF7F2;
  background: rgba(250, 247, 242, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(250, 247, 242, 0.12);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  text-align: left;
  line-height: 1.4;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.feature-icon-copper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-copper);
  color: #FFFFFF;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Action Button Group */
.hero-actions-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.btn-hero-lg {
  padding: 0.95rem 2rem;
  font-size: 1rem;
}

.btn-outline-glass {
  background: rgba(250, 247, 242, 0.08);
  color: #FAF7F2;
  border: 1.5px solid rgba(250, 247, 242, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-outline-glass:hover {
  background: rgba(250, 247, 242, 0.18);
  border-color: #FAF7F2;
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Micro Credential Proof */
.hero-proof-dark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(250, 247, 242, 0.12);
  width: 100%;
  max-width: 600px;
}

.proof-avatars {
  display: flex;
  align-items: center;
  flex-direction: row;
  flex-shrink: 0;
}

.proof-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #141518;
  margin-left: -8px;
  object-fit: cover;
}

.proof-avatar:first-child {
  margin-left: 0;
}

.proof-count {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-oxblood);
  color: var(--color-pearl);
  font-size: 0.72rem;
  font-weight: 800;
  border: 2px solid #141518;
  margin-left: -8px;
}

.proof-statement-light {
  font-size: 0.875rem;
  color: #CBD5E1;
}

.proof-statement-light strong {
  color: #FAF7F2;
}

/* Floating Bottom Live Spec Strip */
.hero-floating-spec-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: rgba(14, 15, 18, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(250, 247, 242, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8rem;
  padding-block: 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #CBD5E1;
}

.spec-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spec-bar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-copper);
  box-shadow: 0 0 10px var(--color-copper);
}

.spec-bar-divider {
  color: rgba(250, 247, 242, 0.25);
}

/* ========================================================
   SECTION 03: HARDWARE-ACCELERATED STACKED CARDS (ZERO LAG)
   Pure CSS sticky stacking without JavaScript scroll thrashing
   ======================================================== */
.stacked-section {
  background: var(--color-pearl-subtle);
  border-bottom: 1px solid var(--color-pearl-border);
}

.stacked-cards-container {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  max-width: 1140px;
  margin-inline: auto;
  position: relative;
}

.stack-card {
  position: sticky;
  background: var(--color-pearl-card);
  border: 2px solid var(--color-pearl-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 44px rgba(26, 22, 23, 0.1);
  overflow: hidden;
  transform: translateZ(0); /* Hardware GPU layer */
  will-change: transform;
}

.stack-card-1 { top: 90px; z-index: 1; }
.stack-card-2 { top: 115px; z-index: 2; }
.stack-card-3 { top: 140px; z-index: 3; }
.stack-card-4 { top: 165px; z-index: 4; }

.stack-card-inner {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: stretch;
}

.stack-card-content {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.category-index {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-oxblood);
  margin-bottom: 0.8rem;
}

.category-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--color-slate-dark);
  line-height: 1.25;
  margin-bottom: 1.1rem;
}

.category-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

.category-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 2.4rem;
}

.category-specs-list li {
  font-size: 0.9375rem;
  color: var(--color-slate);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.category-specs-list li::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--color-copper);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center / contain;
}

.category-card-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.stack-card-media {
  position: relative;
  min-height: 380px;
}

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

/* ========================================================
   SECTION 04: ROOF CALCULATOR SECTION
   ======================================================== */
.calculator-section {
  background: var(--color-pearl);
  border-bottom: 1px solid var(--color-pearl-border);
}

/* ========================================================
   SECTION 04: INTERACTIVE ACTUARIAL DIAGNOSTIC ENGINE
   Refined Architectural Cockpit, Zero Overflow, Touch-Engineered
   ======================================================== */
.calculator-section {
  background: var(--color-pearl);
  position: relative;
  overflow: hidden;
}

.diagnostic-live-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(114, 47, 55, 0.08);
  border: 1px solid rgba(114, 47, 55, 0.2);
  color: var(--color-oxblood);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.live-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.calculator-card {
  background: #FFFFFF;
  border: 1px solid rgba(18, 19, 22, 0.08);
  border-radius: 28px;
  padding: clamp(1.5rem, 3.8vw, 3.5rem);
  box-shadow: 0 24px 60px -15px rgba(18, 19, 22, 0.08), 0 0 0 1px rgba(235, 230, 222, 0.6);
  position: relative;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(1.75rem, 3.5vw, 3.5rem);
  align-items: stretch;
  box-sizing: border-box;
  width: 100%;
}

.calc-controls-col {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  box-sizing: border-box;
  min-width: 0;
  width: 100%;
}

.calc-block {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
}

.calc-step-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-oxblood);
  background: rgba(114, 47, 55, 0.07);
  border: 1px solid rgba(114, 47, 55, 0.15);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  line-height: 1.2;
  margin-top: 2px;
}

.step-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.calc-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-slate-dark);
  line-height: 1.25;
}

.calc-desc {
  font-size: 0.825rem;
  color: #64748B;
  font-weight: 500;
}

.calc-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  width: 100%;
  box-sizing: border-box;
}

.calc-btn {
  background: #FFFFFF;
  border: 1.5px solid #E5DFD5;
  border-radius: 12px;
  padding: 0.95rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(18, 19, 22, 0.02);
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
  position: relative;
}

.calc-btn-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
  flex: 1;
}

.calc-btn-main {
  font-family: var(--font-body);
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-slate-dark);
  line-height: 1.3;
  word-break: break-word;
}

.calc-btn-sub {
  font-size: 0.76rem;
  font-weight: 500;
  color: #64748B;
  line-height: 1.25;
  word-break: break-word;
}

.calc-radio-indicator {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 50%;
  border: 1.5px solid #CBD5E1;
  background: #FFFFFF;
  position: relative;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calc-btn:hover {
  border-color: var(--color-copper);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(18, 19, 22, 0.05);
}

.calc-btn:hover .calc-radio-indicator {
  border-color: var(--color-copper);
}

.calc-btn.active {
  background: #FAF3F2;
  border-color: var(--color-oxblood);
  box-shadow: 0 0 0 1px var(--color-oxblood), 0 6px 16px rgba(114, 47, 55, 0.08);
}

.calc-btn.active .calc-btn-main {
  color: var(--color-oxblood);
}

.calc-btn.active .calc-btn-sub {
  color: var(--color-oxblood-light);
  font-weight: 600;
}

.calc-btn.active .calc-radio-indicator {
  background: var(--color-oxblood);
  border-color: var(--color-oxblood);
}

.calc-btn.active .calc-radio-indicator::after {
  content: '';
  width: 6px;
  height: 6px;
  background: #FFFFFF;
  border-radius: 50%;
  position: absolute;
}

/* Dynamic Assessment Summary Card */
.calc-results-col {
  display: flex;
  min-width: 0;
  width: 100%;
}

.results-inner-box {
  width: 100%;
  background: linear-gradient(165deg, #181A20 0%, #0F1014 100%);
  color: #FFFFFF;
  border-radius: 20px;
  padding: clamp(1.5rem, 2.5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.09);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.results-inner-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-copper) 50%, transparent 100%);
  opacity: 0.8;
}

.results-top-bar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.results-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  color: #94A3B8;
}

.radar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-copper);
  box-shadow: 0 0 6px var(--color-copper);
}

.urgency-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  color: #FFFFFF;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.urgency-pill.pill-critical {
  background: #6B1724;
  box-shadow: 0 0 14px rgba(107, 23, 36, 0.5);
}

.urgency-pill.pill-wind {
  background: #8A2B35;
  box-shadow: 0 0 14px rgba(138, 43, 53, 0.4);
}

.urgency-pill.pill-hail {
  background: var(--color-copper);
  box-shadow: 0 0 14px rgba(194, 94, 43, 0.4);
}

.urgency-pill.pill-routine {
  background: #334155;
  box-shadow: none;
}

/* Metric Display */
.results-main-metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.metric-eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: #94A3B8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.metric-score-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.metric-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: #34D399;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.metric-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-copper) 0%, #10B981 100%);
  border-radius: 3px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.results-data-table {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding-block: 1.25rem;
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  gap: 0.75rem;
}

.data-row.highlight-data-row {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--color-copper);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-top: 0.4rem;
}

.highlight-info {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.highlight-tag {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #CBD5E1;
}

.highlight-val {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-copper-light);
}

.highlight-subnote {
  font-size: 0.78rem;
  font-weight: 600;
  color: #94A3B8;
  text-align: right;
}

.insurance-notice-box {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 1.25rem;
}

.shield-icon {
  color: var(--color-copper);
  min-width: 18px;
  margin-top: 2px;
}

.carrier-note {
  font-size: 0.78rem;
  color: #94A3B8;
  line-height: 1.45;
  margin: 0;
}

.pulse-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  box-shadow: 0 8px 24px rgba(114, 47, 55, 0.35);
  transition: all 0.25s ease;
}

.pulse-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(114, 47, 55, 0.5);
}

/* ========================================================
   SECTION 05: INTERACTIVE BEFORE / AFTER SLIDER
   ======================================================== */
.comparison-section {
  background: var(--color-pearl-subtle);
  border-bottom: 1px solid var(--color-pearl-border);
}

.comparison-stage {
  max-width: 980px;
  margin-inline: auto;
}

.comparison-box {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-pearl-card);
  user-select: none;
}

.comp-slice {
  position: absolute;
  inset: 0;
}

.comp-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comp-after-slice {
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
  transition: clip-path 0.04s linear;
}

.comp-badge {
  position: absolute;
  top: 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  z-index: 10;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.badge-text-compact {
  display: none;
}

.before-badge {
  right: 1.5rem;
  background: rgba(18, 19, 22, 0.88);
  color: #FFFFFF;
}

.after-badge {
  left: 1.5rem;
  background: var(--color-oxblood);
  color: var(--color-pearl);
}

.comp-divider-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: #FFFFFF;
  z-index: 20;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.45);
}

.comp-handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--color-oxblood);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.95rem;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  border: 3px solid var(--color-oxblood);
}

.comp-range-slider {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 30;
  margin: 0;
}

.comp-hint {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: 1.2rem;
}

/* ========================================================
   SECTION 06: THE 4-STEP CERTIFIED PROTOCOL
   ======================================================== */
.protocol-section {
  background: var(--color-pearl);
  border-bottom: 1px solid var(--color-pearl-border);
}

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

.protocol-card {
  background: var(--color-pearl-card);
  border: 1.5px solid var(--color-pearl-border);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.protocol-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-oxblood);
  box-shadow: var(--shadow-md);
}

.step-badge {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--color-oxblood);
  background: var(--color-oxblood-soft);
  align-self: flex-start;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-slate-dark);
  line-height: 1.3;
  margin-bottom: 0.8rem;
}

.step-body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.step-footer-tag {
  margin-top: auto;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-copper);
}

/* ========================================================
   SECTION 07: FEATURED PROJECTS & LOOKBOOKS
   ======================================================== */
.projects-section {
  background: var(--color-pearl-subtle);
  border-bottom: 1px solid var(--color-pearl-border);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--color-pearl-card);
  border: 1.5px solid var(--color-pearl-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

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

.project-image-box {
  position: relative;
  height: 250px;
}

.project-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-photo {
  transform: scale(1.05);
}

.project-location-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(18, 19, 22, 0.85);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
}

.project-info-block {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-oxblood);
  margin-bottom: 0.6rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-slate-dark);
  line-height: 1.25;
  margin-bottom: 0.8rem;
}

.project-summary {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.8rem;
}

.project-card-footer {
  margin-top: auto;
}

/* ========================================================
   SECTION 08: HOMEOWNER REVIEWS & CERTIFICATIONS
   Clean 4-Column Layout, Zero Emojis, Pure SVG Icons
   ======================================================== */
.reviews-section {
  background: var(--color-pearl);
  border-bottom: 1px solid var(--color-pearl-border);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.review-box {
  background: var(--color-pearl-card);
  border: 1.5px solid var(--color-pearl-border);
  border-radius: var(--radius-md);
  padding: 2.4rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.review-box:hover {
  transform: translateY(-4px);
  border-color: var(--color-oxblood);
  box-shadow: var(--shadow-md);
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-slate);
  font-style: italic;
  margin-block: 1rem 1.8rem;
}

.reviewer-footer {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.reviewer-initials {
  width: 44px;
  height: 44px;
  background: var(--color-oxblood);
  color: var(--color-pearl);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
}

.reviewer-name {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-slate-dark);
}

.reviewer-location {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Clean Single Row 4-Column Certifications Grid (No Wrapping on Desktop) */
.certifications-banner {
  background: var(--color-pearl-card);
  border: 1.5px solid var(--color-pearl-border);
  border-radius: var(--radius-md);
  padding: 2.2rem 2.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
  align-items: center;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.cert-svg-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-oxblood-soft);
  color: var(--color-oxblood);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(107, 23, 36, 0.12);
}

.cert-vector-icon {
  width: 24px;
  height: 24px;
}

.cert-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-slate-dark);
}

.cert-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* ========================================================
   SECTION 09: PRIMARY LEAD CAPTURE & FOOTER
   ======================================================== */
.lead-capture-section {
  background: var(--color-pearl-subtle);
}

.lead-card-wrapper {
  background: var(--color-oxblood-dark);
  color: var(--color-pearl);
  border-radius: var(--radius-lg);
  padding: 4rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(250, 247, 242, 0.12);
}

.lead-card-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4rem;
  align-items: center;
}

.lead-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.lead-subtext {
  font-size: 1.05rem;
  color: #E2E8F0;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.lead-perks-list {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  margin-bottom: 2.6rem;
}

.lead-perk {
  display: flex;
  gap: 0.85rem;
}

.perk-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-copper);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.lead-perk strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: #FFFFFF;
}

.lead-perk span {
  font-size: 0.8125rem;
  color: #CBD5E1;
}

.direct-call-box {
  background: rgba(250, 247, 242, 0.08);
  border: 1px solid rgba(250, 247, 242, 0.18);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.box-label {
  font-size: 0.8125rem;
  color: #CBD5E1;
}

.box-stat {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-copper);
}

.box-hours {
  font-size: 0.78rem;
  color: #94A3B8;
}

/* Lead Form Column */
.lead-form-col {
  background: var(--color-pearl-card);
  color: var(--color-text-main);
  border-radius: var(--radius-md);
  padding: 2.8rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.form-heading {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-slate-dark);
  margin-bottom: 1.5rem;
}

.audit-booking-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-slate-dark);
}

.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--color-pearl-border);
  background: #FFFFFF;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-oxblood);
  box-shadow: 0 0 0 3px var(--color-oxblood-soft);
}

.btn-submit-audit {
  padding-block: 0.95rem;
  font-size: 1rem;
  margin-top: 0.6rem;
}

.form-guarantee-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
  margin-top: 0.6rem;
}

/* Site Footer */
.site-footer {
  background: var(--color-slate-dark);
  color: #94A3B8;
  padding-block: 5.5rem 2.8rem;
  border-top: 1px solid rgba(250, 247, 242, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-logo-svg {
  width: 200px;
  height: auto;
  margin-bottom: 1.2rem;
}

.footer-brand-bio {
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.footer-motto-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-copper);
  background: rgba(194, 94, 43, 0.15);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(194, 94, 43, 0.3);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1.3rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

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

.footer-contact-info {
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-phone-highlight {
  color: #FFFFFF;
  font-weight: 800;
}

.footer-phone-highlight:hover {
  color: var(--color-copper);
}

.footer-legal-bar {
  border-top: 1px solid rgba(250, 247, 242, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.8125rem;
}

.footer-legal-badges {
  color: #CBD5E1;
}

/* ========================================================
   PERSISTENT LUXURY FLOATING WHATSAPP BUTTON (NON-GREEN)
   Official WhatsApp Vector Icon • Styled in Charcoal Slate & Copper
   ======================================================== */
.luxury-whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--color-slate-dark);
  color: var(--color-pearl);
  padding: 0.75rem 1.35rem 0.75rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: 0 12px 34px rgba(18, 19, 22, 0.38);
  border: 1.5px solid rgba(194, 94, 43, 0.5); /* Luxury Copper border */
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.luxury-whatsapp-btn:hover {
  background: var(--color-oxblood);
  border-color: var(--color-copper);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(107, 23, 36, 0.45);
  color: #FFFFFF;
}

.wa-luxury-svg {
  width: 22px;
  height: 22px;
  fill: var(--color-copper);
  flex-shrink: 0;
  transition: fill var(--transition-fast);
}

.luxury-whatsapp-btn:hover .wa-luxury-svg {
  fill: #FFFFFF;
}

.wa-luxury-ring {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-copper);
  animation: waLuxuryPulse 2.4s cubic-bezier(0.24, 0, 0.38, 1) infinite;
  pointer-events: none;
}

@keyframes waLuxuryPulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.18); opacity: 0; }
}

/* ========================================================
   AOS (ANIMATION ON SCROLL) ENGINE CLASSES
   ======================================================== */
[data-aos] {
  opacity: 0;
  transition-property: transform, opacity;
  transition-duration: 0.7s;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

[data-aos="fade-up"] {
  transform: translateY(28px);
}

[data-aos="zoom-in"] {
  transform: scale(0.96);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ========================================================
   NATIVE DIALOG MODAL
   ======================================================== */
.audit-dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  max-width: 480px;
  width: 90%;
  margin: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  background: var(--color-pearl-card);
}

.audit-dialog::backdrop {
  background: rgba(18, 19, 22, 0.78);
  backdrop-filter: blur(8px);
}

.dialog-inner {
  padding: 2.8rem;
  text-align: center;
}

.dialog-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-oxblood);
  color: var(--color-pearl);
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
}

.dialog-title {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--color-slate-dark);
  margin-bottom: 0.8rem;
}

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

.dialog-action-box {
  background: var(--color-pearl-subtle);
  border: 1px dashed var(--color-pearl-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
  font-size: 0.8125rem;
  color: var(--color-slate);
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.dialog-call-btn {
  color: var(--color-oxblood);
  font-weight: 800;
}

/* ========================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ======================================================== */
@media (max-width: 1024px) {
  .hero-fullbleed {
    padding-block: 6rem 4.5rem;
    min-height: 85vh;
  }

  .hero-title-light {
    font-size: clamp(2.3rem, 4.8vw, 3.6rem);
  }

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

  .calc-grid, .lead-card-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .stack-card-inner {
    grid-template-columns: 1fr;
  }

  .stack-card-media {
    min-height: 280px;
  }

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

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

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .site-logo-svg {
    width: 145px;
    height: auto;
  }

  .header-actions {
    gap: 0.75rem;
  }

  .header-cta-btn {
    display: inline-flex;
    padding: 0.48rem 0.9rem;
    font-size: 0.8rem;
    gap: 0.35rem;
  }

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

  /* Fullbleed Hero Mobile Optimization */
  .hero-fullbleed {
    min-height: 90vh;
    padding-block: 4.8rem 4rem;
  }

  .hero-title-light {
    font-size: clamp(2rem, 7.8vw, 2.75rem);
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
  }

  .hero-eyebrow-dark {
    padding: 0.35rem 0.85rem;
    gap: 0.45rem;
    margin-bottom: 1.1rem;
    max-width: 92vw;
  }

  .eyebrow-desktop {
    display: none;
  }

  .eyebrow-mobile {
    display: inline;
    font-size: 0.72rem;
  }

  .eyebrow-text-dark {
    font-size: 0.72rem;
  }

  .hero-text-light {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.8rem;
  }

  .hero-features-glass {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .feature-item-glass {
    padding: 0.75rem 0.9rem;
    font-size: 0.8125rem;
  }

  .hero-actions-group {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.9rem;
  }

  .hero-actions-group .btn {
    width: 100%;
  }

  .hero-proof-dark {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .hero-floating-spec-bar {
    display: none;
  }

  .comp-badge {
    top: 0.85rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
  }

  .before-badge {
    right: 0.85rem;
  }

  .after-badge {
    left: 0.85rem;
  }

  .badge-text-full {
    display: none;
  }

  .badge-text-compact {
    display: inline-block;
  }

  .stack-card-content {
    padding: 2rem 1.5rem;
  }

  .calculator-card {
    padding: 1.5rem 1.1rem;
    border-radius: 20px;
  }

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

  .calc-options {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .calc-btn {
    padding: 0.85rem 1rem;
    width: 100%;
    min-height: 52px;
  }

  .results-inner-box {
    padding: 1.5rem 1.15rem;
    border-radius: 16px;
  }

  .data-row.highlight-data-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

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

  .certifications-banner {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .lead-card-wrapper {
    padding: 1.8rem 1.1rem;
    border-radius: var(--radius-md);
  }

  .lead-title {
    font-size: 1.65rem;
    line-height: 1.25;
  }

  .lead-form-col {
    padding: 1.6rem 1.1rem;
  }

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

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

  .luxury-whatsapp-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    padding: 0.65rem 1rem;
  }

  .wa-luxury-text {
    display: none;
  }
}

@media (max-width: 480px) {
  .site-logo-svg {
    width: 130px;
  }

  .header-phone-compact {
    padding: 0.35rem 0.55rem;
    font-size: 0.74rem;
  }

  .hero-title-light {
    font-size: 1.85rem;
  }
}