/*
 * SOPLAICA - Professional Plastering & Construction Website
 * Theme: Sophisticated Professional Design for High-End Craftsmanship
 * Color Palette: Deep Slates, Charcoals, Metallic Accents (Gold/Silver)
 * Typography: Elegant Serif (Playfair Display) + Clean Sans-serif (Montserrat)
 *
 * Generated Color Scheme: Slate & Red
 * Light Mode:
 * - Primary: #2b2d42 (Deep Slate Blue)
 * - Secondary: #8d99ae (Cool Gray Blue)
 * - Accent: #edf2f4 (Light Silver)
 * - Neutral: #ef233c (Vibrant Red Accent)
 * - Background: #ffffff (Pure White)
 * - Text: #1a1a1a (Rich Black)
 *
 * Navigation Colors:
 * - Nav Background: #CEE5FF (Light Blue)
 * - Nav Text/Icons: #001D33 (Deep Navy)
 * - Nav Hover: #00639B (Medium Blue) with #FFFFFF (White) text
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
  /* Color Palette */
  --color-primary: #2b2d42;
  --color-primary-dark: #1a1b29;
  --color-primary-light: #3d3f59;

  --color-secondary: #8d99ae;
  --color-secondary-dark: #6b7a8f;
  --color-secondary-light: #b8c5d4;

  --color-accent: #edf2f4;
  --color-accent-dark: #d0d8dd;

  --color-neutral: #ef233c;
  --color-neutral-dark: #d61429;
  --color-neutral-light: #ff6b6b;

  --color-background: #ffffff;
  --color-background-alt: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-muted: #6c757d;
  --color-text-light: #f8f9fa;

  /* Metallic Accents */
  --color-gold: #c9a962;
  --color-gold-light: #e5d4a1;
  --color-silver: #a8a9ad;
  --color-silver-light: #d4d5d7;

  /* Navigation Colors */
  --nav-background: #dfdfdf;
  --nav-text: #001D33;
  --nav-hover-bg: #00639B;
  --nav-hover-text: #FFFFFF;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Montserrat', 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;

  /* Layout */
  --container-max-width: 1280px;
  --container-padding: var(--spacing-lg);
  --header-height: 80px;

  /* Effects */
  --blur-subtle: blur(3px);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

@media (max-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
  h4 { font-size: var(--text-xl); }
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ============================================
   GLASSMORPHISM EFFECTS
   ============================================ */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-glass);
}

.glass-dark {
  background: rgba(43, 45, 66, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glass);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--nav-background);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: var(--spacing-md) var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--nav-text);
  text-decoration: none;
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.02);
}

.logo img {
  width: 464px;
  height: 139px;
  object-fit: contain;
}

@media (max-width: 768px) {
  .logo img {
    width: 232px;
    height: auto;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--nav-text);
  font-weight: 500;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.nav-link .material-symbols-rounded {
  font-size: var(--text-lg);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--nav-text);
}

.menu-toggle .material-symbols-rounded {
  font-size: var(--text-2xl);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--nav-background);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-md);
    justify-content: center;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: var(--blur-subtle);
  z-index: 0;
}

.hero-bg img,
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(43, 45, 66, 0.7), rgba(43, 45, 66, 0.4));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-text-light);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.hero-title {
  color: var(--color-text-light);
  font-size: var(--text-6xl);
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--text-4xl);
  }
  .hero-subtitle {
    font-size: var(--text-lg);
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

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

.btn-accent {
  background-color: var(--color-neutral);
  color: var(--color-text-light);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background-color: var(--color-neutral-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-image {
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

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

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.card-description {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   BACKGROUND SECTIONS WITH BLUR
   ============================================ */
.section-bg {
  position: relative;
  overflow: hidden;
}

.section-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: var(--blur-subtle);
  z-index: 0;
}

.section-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.92);
  z-index: 1;
}

.section-bg-content {
  position: relative;
  z-index: 2;
}

.section-bg-dark .section-bg-overlay {
  background: rgba(43, 45, 66, 0.92);
}

.section-bg-dark .section-bg-content {
  color: var(--color-text-light);
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4,
.section-bg-dark h5,
.section-bg-dark h6 {
  color: var(--color-text-light);
}

/* ============================================
   IMAGES
   ============================================ */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.img-rounded {
  border-radius: var(--radius-lg);
}

.img-circle {
  border-radius: var(--radius-full);
}

.img-shadow {
  box-shadow: var(--shadow-lg);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-background);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 45, 66, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--color-neutral);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-title {
  color: var(--color-gold);
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-md);
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: var(--z-tooltip);
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.bg-light { background-color: var(--color-background-alt); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ============================================
   SLIDESHOW GALLERY
   ============================================ */
.slideshow-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background-color: var(--color-primary);
}

.slideshow-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.slideshow-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow) ease-in-out;
  pointer-events: none;
}

.slideshow-slide.active {
  opacity: 1;
  pointer-events: auto;
}

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

.slideshow-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(43, 45, 66, 0.95), rgba(43, 45, 66, 0.7), transparent);
  color: var(--color-text-light);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
  font-size: var(--text-lg);
  font-weight: 500;
  text-align: center;
}

/* Navigation Buttons */
.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.slideshow-btn:hover {
  background: var(--color-gold);
  color: var(--color-primary-dark);
  transform: translateY(-50%) scale(1.1);
}

.slideshow-btn-prev {
  left: var(--spacing-lg);
}

.slideshow-btn-next {
  right: var(--spacing-lg);
}

.slideshow-btn .material-symbols-rounded {
  font-size: var(--text-2xl);
}

/* Dots Navigation */
.slideshow-dots {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.slideshow-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.slideshow-dot:hover,
.slideshow-dot.active {
  background-color: var(--color-gold);
  transform: scale(1.2);
}

.slideshow-dot.active {
  width: 30px;
  border-radius: var(--radius-full);
}

/* Responsive Slideshow */
@media (max-width: 768px) {
  .slideshow-wrapper {
    aspect-ratio: 4 / 3;
  }

  .slideshow-btn {
    width: 40px;
    height: 40px;
  }

  .slideshow-btn-prev {
    left: var(--spacing-md);
  }

  .slideshow-btn-next {
    right: var(--spacing-md);
  }

  .slideshow-btn .material-symbols-rounded {
    font-size: var(--text-xl);
  }

  .slideshow-caption {
    font-size: var(--text-base);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  }

  .slideshow-dots {
    bottom: var(--spacing-md);
  }

  .slideshow-dot {
    width: 10px;
    height: 10px;
  }

  .slideshow-dot.active {
    width: 24px;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .header,
  .footer,
  .btn {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .section {
    page-break-inside: avoid;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}