/* ==========================================================================
   Skyline Roofing Company - Main stylesheet
   Theme: Dark Green, White, Light Gray, Accent Conversion Green
   ========================================================================== */

/* --- CSS Variables & Design System --- */
:root {
  --color-primary: #0f382c;         /* Dark Green */
  --color-primary-dark: #0a261e;    /* Darker Forest Green */
  --color-primary-light: #184e3e;   /* Soft Dark Green */
  --color-accent: #10b981;          /* Conversion Emerald Green */
  --color-accent-hover: #059669;    /* Darker Accent Green */
  --color-accent-light: #d1fae5;    /* Very Light Accent Green */
  --color-text-main: #0f172a;       /* Slate Dark Text */
  --color-text-muted: #64748b;      /* Muted Slate Text */
  --color-bg-light: #f8fafc;        /* Light Gray Section Background */
  --color-white: #ffffff;
  --color-border: #e2e8f0;

  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 50px;

  --shadow-sm: 0 2px 8px rgba(15, 56, 44, 0.05);
  --shadow-md: 0 10px 30px rgba(15, 56, 44, 0.08);
  --shadow-lg: 0 20px 40px rgba(15, 56, 44, 0.15);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.4);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Reset & Typography --- */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-base);
  color: var(--color-text-main);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 60px; /* Space for mobile sticky call bar */
  }
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

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

/* --- Buttons & CTAs --- */
.btn-roofing {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  text-transform: capitalize;
}

.btn-roofing-primary {
  background-color: var(--color-accent);
  color: var(--color-white) !important;
}

.btn-roofing-primary:hover,
.btn-roofing-primary:focus {
  background-color: var(--color-accent-hover);
  color: var(--color-white) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-roofing-secondary {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white) !important;
  border: 2px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(5px);
}

.btn-roofing-secondary:hover,
.btn-roofing-secondary:focus {
  background-color: var(--color-white);
  color: var(--color-primary) !important;
  border-color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.25);
}

.btn-roofing-dark {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
}

.btn-roofing-dark:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-roofing-lg {
  font-size: 1.25rem;
  padding: 1.1rem 2.5rem;
}

.btn-roofing-sm {
  font-size: 0.9rem;
  padding: 0.6rem 1.4rem;
}

/* --- Sticky Header Navigation --- */
.navbar-skyline {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 56, 44, 0.08);
  padding: 1rem 0;
  transition: var(--transition-normal);
  z-index: 1030;
}

.navbar-skyline.scrolled {
  padding: 0.65rem 0;
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

.navbar-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.navbar-brand-logo i {
  color: var(--color-accent);
  font-size: 1.8rem;
}

.nav-link-skyline {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.5rem 1rem !important;
  position: relative;
}

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

.nav-link-skyline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background-color: var(--color-accent);
  transition: var(--transition-normal);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link-skyline:hover::after,
.nav-link-skyline.active::after {
  width: 60%;
}

.top-bar-info {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-info a {
  color: var(--color-accent-light);
  font-weight: 600;
}

.top-bar-info a:hover {
  color: var(--color-white);
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(15, 56, 44, 0.92) 0%, rgba(10, 38, 30, 0.85) 100%),
              url('../images/hero-bg.png') center/cover no-repeat;
  color: var(--color-white);
  padding: 7.5rem 0 5rem;
  margin-top: -1px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #6ee7b7;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

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

.hero-subheading {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin-bottom: 2.25rem;
  font-weight: 400;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
}

.trust-item i {
  color: var(--color-accent);
  font-size: 1.2rem;
}

/* --- Trust Stats Bar --- */
.trust-stats-bar {
  background-color: var(--color-white);
  margin-top: -3.5rem;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem 1.5rem;
  border: 1px solid var(--color-border);
}

.stat-box {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-number span {
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* --- Section Title Reusable Styles --- */
.section-padding {
  padding: 5.5rem 0;
}

.bg-light-skyline {
  background-color: var(--color-bg-light);
}

.section-tag {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.section-heading {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.section-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 650px;
  margin: 0 auto;
}

/* --- Service Cards --- */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 185, 129, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 68px;
  height: 68px;
  background-color: rgba(15, 56, 44, 0.06);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.08);
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--color-primary);
}

.service-desc {
  font-size: 0.975rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* --- Why Choose Us Section --- */
.why-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  height: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

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

.why-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background-color: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.why-content h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}

.why-content p {
  font-size: 0.925rem;
  margin-bottom: 0;
}

/* --- Process Section --- */
.process-step-card {
  position: relative;
  text-align: center;
  padding: 2rem 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  height: 100%;
}

.process-step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.step-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 4px 10px rgba(15, 56, 44, 0.3);
}

.process-icon {
  font-size: 2.4rem;
  color: var(--color-accent);
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
}

.process-step-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

/* --- Customer Reviews --- */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  height: 100%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stars-rating {
  color: #f59e0b; /* Amber Gold */
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.review-quote {
  font-size: 0.975rem;
  font-style: italic;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.reviewer-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.reviewer-info h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
  color: var(--color-primary);
}

.reviewer-info span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Final Call To Action Banner --- */
.cta-banner-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 5.5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.cta-banner-heading {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.cta-banner-text {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* --- Footer --- */
.footer-skyline {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.footer-contact-item i {
  color: var(--color-accent);
  font-size: 1.15rem;
  margin-top: 0.2rem;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-links-title {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-menu a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
}

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

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  margin-top: 3rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Floating Call Button & Pulse Animation --- */
.floating-call-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  background-color: var(--color-accent);
  color: var(--color-white) !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
  z-index: 1050;
  transition: var(--transition-normal);
  animation: pulse-ring 2s infinite;
}

.floating-call-btn:hover {
  transform: scale(1.1);
  background-color: var(--color-accent-hover);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.7);
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@media (max-width: 768px) {
  .floating-call-btn {
    bottom: 85px; /* Above mobile sticky bar */
    right: 20px;
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
  }
}

/* --- Mobile Sticky Call Bar --- */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: 0.9rem 1rem;
    font-weight: 800;
    font-size: 1.15rem;
    text-align: center;
    z-index: 1060;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    gap: 0.6rem;
  }

  .mobile-sticky-bar i {
    font-size: 1.3rem;
    animation: phone-shake 2s infinite ease-in-out;
  }
}

@keyframes phone-shake {
  0%, 100% { transform: rotate(0deg); }
  10%, 30%, 50% { transform: rotate(-10deg); }
  20%, 40% { transform: rotate(10deg); }
  60% { transform: rotate(0deg); }
}

/* --- CSS Reveal Animations --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}