/* 
  ANVI CONSTRUCTION - Modern & Responsive Theme System
  Colors: Warm Charcoal (#0F172A), Gold/Amber Accent (#D97706 / #F59E0B), WhatsApp Green (#25D366)
*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --secondary: #d97706;
  --secondary-hover: #b45309;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --dark: #090d16;
  --light: #f8fafc;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 10px 25px rgba(15,23,42,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--light);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  touch-action: manipulation;
}

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

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

ul {
  list-style: none;
}

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

.section-title-wrap {
  text-align: center;
  margin-bottom: 3rem;
}

.section-subtitle {
  color: var(--secondary);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.section-title {
  font-size: 2.25rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-desc {
  max-width: 680px;
  margin: 0 auto;
  color: var(--gray-600);
  font-size: 1.05rem;
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: var(--white);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

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

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

.btn-outline-white {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.3rem;
  font-weight: 800;
  border-bottom: 3px solid var(--secondary);
}

.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
}

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

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1;
}

.logo-tagline {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-600);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section & Fade Slider */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  color: var(--white);
  padding: 4rem 0;
  overflow: hidden;
}

.hero-slider-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide.active {
  opacity: 1;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.75) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

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

.hero-text {
  font-size: 1.2rem;
  color: var(--gray-300);
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h3 {
  font-size: 2.25rem;
  color: var(--accent);
  font-weight: 800;
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--gray-300);
}

/* Sections Base */
.section {
  padding: 5rem 0;
}

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

.bg-light {
  background-color: var(--gray-50);
}

.bg-dark {
  background-color: var(--primary);
  color: var(--white);
}

.bg-dark .section-title, .bg-dark h2, .bg-dark h3 {
  color: var(--white);
}

.bg-dark .section-desc {
  color: var(--gray-300);
}

/* About Grid */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--secondary);
  color: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-experience-badge .num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.about-experience-badge .text {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.about-content p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.strengths-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.strength-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.strength-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--secondary);
  opacity: 0;
  transition: var(--transition);
}

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

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

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Projects Grid & Filter */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.25rem;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.project-img-wrap {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.06);
}

.project-badge-status {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(15, 23, 42, 0.85);
  color: var(--white);
  backdrop-filter: blur(4px);
}

.project-badge-status.ongoing {
  background: #2563eb;
}

.project-badge-status.completed {
  background: #16a34a;
}

.project-badge-status.upcoming {
  background: #d97706;
}

.project-badge-type {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.project-location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.project-desc {
  color: var(--gray-600);
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
  margin-top: auto;
  font-size: 0.875rem;
}

.project-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--secondary);
}

.project-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Why Choose Us Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.why-card {
  display: flex;
  gap: 1.25rem;
  background: var(--white);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.why-icon {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.why-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.why-card p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Founder Spotlight */
.founder-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 380px 1fr;
}

.founder-img-wrap {
  height: 100%;
  min-height: 380px;
}

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

.founder-content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.founder-content h3 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.founder-title {
  color: var(--secondary);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.founder-quote {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gray-800);
  border-left: 4px solid var(--secondary);
  padding-left: 1.25rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.founder-bio {
  color: var(--gray-600);
  font-size: 0.975rem;
  margin-bottom: 2rem;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: var(--transition);
}

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

.team-img-wrap {
  height: 260px;
  overflow: hidden;
}

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

.team-body {
  padding: 1.5rem;
}

.team-name {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.team-bio {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.review-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.review-text {
  font-size: 0.975rem;
  color: var(--gray-800);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.review-client {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.client-info h4 {
  font-size: 1rem;
  color: var(--primary);
}

.client-info span {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* Gallery Grid & Slider */
.gallery-slider-container {
  position: relative;
  overflow: hidden;
  padding: 1rem 0 2rem;
}

.gallery-slider-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-slide-card {
  flex: 0 0 320px;
  height: 240px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.gallery-slide-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-slide-card:hover img {
  transform: scale(1.08);
}

.gallery-slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.gallery-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.gallery-nav-btn:hover {
  background: var(--secondary);
  transform: scale(1.1);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  opacity: 0;
  transition: var(--transition);
  padding: 1rem;
  text-align: center;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.gallery-overlay span {
  color: var(--accent);
  font-size: 0.85rem;
}

/* Lightbox Modal with Slider Navigation */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(9, 13, 22, 0.94);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 900px;
  max-height: 85vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-height: 75vh;
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}

.lightbox-caption {
  color: var(--white);
  margin-top: 1rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  color: var(--white);
  font-size: 2.25rem;
  background: none;
  border: none;
  cursor: pointer;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-nav-btn:hover {
  background: var(--secondary);
  color: var(--white);
}

.lightbox-prev {
  left: -70px;
}

.lightbox-next {
  right: -70px;
}

@media (max-width: 768px) {
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .gallery-slide-card { flex: 0 0 260px; height: 200px; }
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.contact-detail p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

.contact-form-box {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--gray-50);
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--secondary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--whatsapp);
  color: var(--white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background-color: var(--whatsapp-dark);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--gray-300);
  padding: 4rem 0 1.5rem;
  border-top: 4px solid var(--secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--secondary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.925rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--secondary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(9, 13, 22, 0.92);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 900px;
  max-height: 85vh;
  position: relative;
}

.lightbox-content img {
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--white);
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-title { font-size: 2.75rem; }
  .about-grid, .contact-grid, .founder-card { grid-template-columns: 1fr; }
  .founder-img-wrap { height: 350px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.active { left: 0; }
  .hamburger { display: block; }
  .hero-title { font-size: 2.25rem; }
  .hero-text { font-size: 1rem; }
  .section { padding: 3.5rem 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .floating-whatsapp { bottom: 1.25rem; right: 1.25rem; width: 52px; height: 52px; font-size: 1.75rem; }
}